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According to scientists, people are genetically more similar to their

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According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:00
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According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.


A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides


 

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According to scientists, people are genetically more similar to their  [#permalink]

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New post 03 Jul 2019, 12:00
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Official Explanation by eGMAT:



Meaning Analysis

  • According to scientists, people are genetically more similar to their friends than strangers of the same population,
  • but what is much more interesting to know are
    • that the genes controlling immunity to certain diseases are different between friends,
    • and this difference reduces the spread of disease,
      • providing them an evolutionary advantage for befriending those with different immunities.

The sentence begins by presenting a comparison. However, this comparison is ambiguous. Let’s see how. The sentence says that people are genetically more similar to friends. This part is fine. Then the sentence says, “than strangers of the same population”. Now here is it difficult to understand whether “people” have been compared to “strangers” or whether “friends” have been compared to “strangers”.
Then the sentence says that something else is more interesting than this comparison. The more interesting thing to know is that the genes that control immunity to certain diseases are different between friends. Another interesting thing to know is that this difference just mentioned reduces the spread of disease and as a result provides the friends an advantage to make friends with those who have different immunities.

Error Analysis

  • As already mentioned in the meaning analysis, this sentence has comparison error as it presents ambiguous comparison. Two comparisons can be inferred here:
    • First Comparison – People are more similar to their friends than they are to strangers. Entities Compared – “friends” and “strangers”.
    • Second Comparison – People are more similar to their friends than strangers are to friends. Entities Compared – “people” and “strangers”.
  • The clause “what is much…” acts as a Subject and hence, must take Singular Verb. Plural Verb “are” leads to SV number agreement error.
  • Since two things are more interesting than the mentioned similarity, these two points must be grammatically and logically parallel to each. However, this is not the case. The first entity “that the genes…” is not parallel to “this difference…”. The second entity should also start with “that”.


Answer Choice Analysis



Choice A - Incorrect
This choice has the errors pointed out in error analysis.


Choice B - Incorrect

  • This choice corrects the comparison error, the SV number agreement error, and the parallelism error of the original sentence.
  • However, it introduces another error.
    • This choice has a forced parallel list, the entities of which are “reduces” and “provides”.
    • Per the intended meaning, these actions are not independent of each other.
    • The second action is actually the result of the first action.


Choice C - Incorrect

  • This choice repeats the ambiguous comparison error and the SV number agreement error of Choice A.
  • “Again, use of “to provide” is not correct because to provide an evolutionary advantage is not the intent of the action denoted by “reduces” but is the result of that action.


Choice D - Correct
  • This choice corrects all the errors of the original sentence without introducing any new error.


Choice E - Incorrect
  • This choice repeats the parallelism error of Choice A.
  • Providing evolutionary advantage is the result of the action denoted by “reduces” in the original sentence.
    • This meaning has been changed in the choice.
    • Per this choice, the difference that reduces the spread of disease provides the evolutionary advantage.
      • There is no cause and effect relationship between the two actions.

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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:26
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According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.

Here in the original sentence, the S-V agreement "what is much more interesting to know are.." is incorrect as it should have been "what is much more interesting to know is...".So, options A and C are incorrect.

and the last statement after the comma should contain a subject in order to make it a independent clause (which option E has omitted) so we are left with options B and E.
In option B it incorrectly makes the last statement independent clause in continution to previous which is incorrect i.e it has modifier error, Option D coorectly uses "providing" to modify the entire previous clause.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:28
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D is correct answer here
due to parallelism

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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:35
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IMO D

According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.


A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing.
We need to for maintaining parallelism.

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides.
S-V agreement okay but and provides at the end is not showing the result.

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide
We need to for maintaining parallelism.
D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing
Perfect everything is Ok

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides.
Not parallel.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:40
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A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing - to strangers is required to maintain parallelism to their friends

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides - Puts reduces and spread in parallel - Incorrect

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide - - to strangers is required to maintain parallelism to their friends

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing - Correct, providing gives additional information as a modifier

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides - and this refers to the entire previous clause - not acceptable
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:41
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Here’s my explanation:

Q: According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.

1. ...more similar TO their friends than TO strangers —> need parallel structure here —> eliminate choice A and C.

Analyse the rest: they differ in the form of the verb “provide”

B. ...provides: incorrect as the difference in immune system seem not to be able to provide people with advantage for befriending with people with different immunity (it may, but it is not said that it would, there’s no direct linking)

D. ..., providing —> correct, as this means that the act (or fact) that [the difference reduces the spread of disease] will provide benefit for making friend with people of different immunity.

E. Incorrect, as saying “the difference reducing (which reduces) the spread of disease provides...” makes no sense or at least doesn’t seem to be logically right.

So the answer must be D.

Well, I don’t know how to explain in more details as the answer is quite obvious...

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According to scientists, people are genetically more similar to their  [#permalink]

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New post Updated on: 02 Jul 2019, 08:03
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IMO D ;
A & C are not ll ; because to is missing
amongst B,D,E
reduces the spread of disease and provides is incorrect usage in B and in D is correct


According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.


A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides

Originally posted by Archit3110 on 01 Jul 2019, 08:44.
Last edited by Archit3110 on 02 Jul 2019, 08:03, edited 1 time in total.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:45
People are more similar to their friends than strangers – ambiguous meaning – are people more similar to their friends than to strangers OR are people more similar to their friends than strangers are? – basis this eliminate (A) and (C)

Now, between (B), (D) and (E), (E) clearly lacks parallel construction – that the genes…, and this difference, so (E) is out

Now, between (B) and (D), (D) has incorrect modifier usage – providing incorrectly modifies “disease” wherein as per the intended logical meaning of the sentence it should modify “genes”

And hence, (B) is the correct answer choice
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 08:57
A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing

Error: Subject -verb aggreement error and parallelism error, to is missing before strangers and there should be singular verb 'is' after statement what is much more interesting to know

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides

Error: there is modfier error in sentence fragment:and that this difference reduces the spread of disease and provides , as due to difference reduces the spread of disease and provides the evolutionary advantage, spread of disease should be followed by , and providing

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide

Subject verb agreement as pointed in A

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing

D corrects the parallelism and subject verb agreement error in original statment
E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides

Modifier error as mentioned in B
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According to scientists, people are genetically more similar to their  [#permalink]

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New post Updated on: 02 Jul 2019, 08:44
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Noun clause (what is much more interesting to know) takes singular VERB. IS (NOT ARE). A&C are OUT.
A & C are also providing ambiguous (two) meaning.
(1) people are genetically more similar to their friends than to strangers.
(2) people are genetically more similar to their friends than are strangers

According to meaning, "HOW THE DIFFERENCE REDUCES the spread of disease" makes sense.
Action:
this difference reduces the spread of disease.
How SEGMENT: COMMA+ providing them an evolutionary advantage for befriending those with different immunities

Other options are non sense (providing either separate action or purpose of main action).
So, other options (B, C & E) are OUT.

D is unambiguous & perfect parallel with meaning sense.

Originally posted by BelalHossain046 on 01 Jul 2019, 08:59.
Last edited by BelalHossain046 on 02 Jul 2019, 08:44, edited 1 time in total.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:02
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First split
Are/IS in: what is much more interesting to know are/is that the. Clearly singlular subject , Hnece, needs a singular verb. A and C are out

Let us see the remaining option

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides Creates a false parallelism

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing Correct answer. Corrects all errors in all the other answer choices

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides Clear Parallelism error. E is out



IMO Answer must be D
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:03
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According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.


A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing- incorrect, we need 'than to' in order to avoid ambiguity at the beginning of option; subject-verb agreement issue - 'what is much more interesting to know' is a clause and thus needs singular verb 'is'
people are genetically more similar to their friends than strangers of the same population can have two interpretations-
i.people are genetically more similar to their friends than to strangers of the same population
ii.people are genetically more similar to their friends than strangers of the same population are

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides- incorrect - this difference reduces the spread of disease and provides -- the usage of AND gives illogical meaning as providing needs to be a result of the 'reduces'

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide- incorrect, we need 'than to' in order to avoid ambiguity; subject-verb agreement issue - 'what is much more interesting to know' is a clause and thus needs singular verb 'is'

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing- Correct

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides- incorrect, we need to repeat 'that' after and to show that the part that follows' this difference ...' is parallel to part that follows the previous 'that';
Also, the meaning of this part ' this difference reducing the spread of disease provides' is illogical

Answer D
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:09
Error Analysis for Choice A :
Comparison : Is not clear "whether people are more similar to friends than to stranger" OR "whether people are more similar to friends than strangers are to friends"

Subject-Verb : what is much more interesting to know are should be "is" as this clause takes singular verb.

Choice D makes all these errors correct. So, correct choice.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:10
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The correct choice will be D.

According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.

A. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing
------> More ....than... should be followed by parallel elements.
are - should be is


B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides ----> the difference does not provides them evolutionary advantages. Here ,providing is correct because it presents the result.

C. strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and that this difference reduces the spread of disease to provide
--> same as A (parallel error)

D. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing
--> CORRECT

E. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and this difference reducing the spread of disease provides
--> The last fragment ",and this difference...." has no verb
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:14
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Lets simplify the sentence

According to scientists, people are genetically more similar to {their friends}=X than {strangers of the same population}=Y, but what is much more interesting to know are {that the genes controlling immunity to certain diseases are different between friends}=P, and {this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities}=Q.

So, our sentence is
According to scientists, people are genetically more similar to X than Y, but what is much more interesting to know are P and Q

Since we can skip 'to' in case of Y, so the options we're left with are A and C. providing modifies 'the spread of disease' which is illogical. Hence C
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:18
According to scientists, people are genetically more similar to their friends than strangers of the same population, but what is much more interesting to know are that the genes controlling immunity to certain diseases are different between friends, and this difference reduces the spread of disease, providing them an evolutionary advantage for befriending those with different immunities.

1) More similar to X than to Y --> X & Y should be parallel

This is missing in A & C.

2) that this difference reduces the spread of disease and provides in B is correct.

providing is incorrect because it changes the meaning - " the interesting fact genes controlling immunity to certain diseases are different between friends and this difference reduces the spread of disease resulted in the evolutionary advantage.

But actually it should mean - "genes controlling immunity to certain diseases are different between friends" and this reduces... and provides advantage...

D & E is eliminated

IMO B.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:19
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Answer choice D- to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease, providing

The original sentence had the following errors, which were corrected in choice D.
1. parallelism error- similar to friends than To strangers.
2. SVA error- what is much more interesting to know IS.
3. parallelism error- to know is that XXX and That this difference XXX.
4. ,providing correctly modifies the preceding clause.
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:25
The best is B, because you need the "To strangers" to complete the comparison.

B. to strangers of the same population, but what is much more interesting to know is that the genes that control immunity to certain diseases are different between friends, and that this difference reduces the spread of disease and provides
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Re: According to scientists, people are genetically more similar to their  [#permalink]

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New post 01 Jul 2019, 09:40
1. Parallelism issue : 'similar to....than to' should be used. So A,C are out

2. Subject-verb : 'what is much more interesting' is singular... So 'are' is wrong. Hence, A,C are wrong.

3. ' Reducing' is wrong. It should be 'reduces'. Hence, E is wrong

Now out of B & D, 'reduces' & 'provides' are parallel.
So went with B.

(Hope this if correct :|)

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Re: According to scientists, people are genetically more similar to their   [#permalink] 01 Jul 2019, 09:40

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