The fact of some fraternal twins resembling each other : GMAT Sentence Correction (SC)
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# The fact of some fraternal twins resembling each other

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The fact of some fraternal twins resembling each other [#permalink]

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12 Dec 2010, 14:16
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The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

A. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably
C. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation
D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation
E. Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
[Reveal] Spoiler: OA

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Re: The fact of some fraternal twins resembling each other [#permalink]

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12 Dec 2010, 15:09
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ajit257 wrote:
The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

A. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably
C. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation
D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation
E. Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably

Hi!

I'm not sure exactly what your question is, but we can review the entire thing.

Right off the bat, we know that the original is no good - "The fact of" is idiomatically incorrect; we'd have to say "The fact that" to even have a shot of correctness. Further, even "the fact that" is likely to lead to modification and style problems. Eliminate (A).

Scanning the beginning of the remaining choices, we also quickly dump (C) and (D). While you can, in theory, start a sentence with "with some", a quick peek after the comma in both choices tells us the next part of the sentence begins with "it highlights" and "it is a fact". "It highlights" is almost certainly going to introduce a passive construction - bad style on the GMAT. Similarly, "it is a fact" is passive and can be ruled out. Eliminate (C) and (D).

(B) looks good at a first glance, to let's move to (E). It's acceptable to begin a sentence with "because", but (E) has the same after-the-comma issue as (C) and (D) - "Because X, this fact highlights" makes no sense. Eliminate (E).

Only (B) remains - choose it confidently, do a happy dance and move on to the next question.
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Re: The fact of some fraternal twins resembling each other [#permalink]

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12 Dec 2010, 15:42
I thought it was not acceptable to begin a sc with 'that'. I would be really helpful if you could provide some pointers as to when is it correct for a Sentence to begin with that and because. thanks.
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Re: The fact of some fraternal twins resembling each other [#permalink]

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13 Dec 2010, 00:49
ajit257 wrote:
I thought it was not acceptable to begin a sc with 'that'. I would be really helpful if you could provide some pointers as to when is it correct for a Sentence to begin with that and because. thanks.

i also have same query on the same.. i hv seen a problem from OG where the prob starts with "that"

if any can address the issue.

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Re: The fact of some fraternal twins resembling each other [#permalink]

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13 Dec 2010, 10:17
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Hey guys,

This thread is a perfect example of the dangers of the "never pick _________" philosophy (which I think started with the word "being"). There's a correct application of any word in the dictionary, so those always/never rules that I see discussed on here are typically pretty problematic. The key is to understand the situations that work/don't work for certain words or constructions.

"That" as the beginning of a sentence here is correct, and even if it feels awkward the other choices are so woefully incorrect (as Stuart described above).

"It" in C and D is a pronoun without an antecedent (there isn't a clear prior noun to take its place), so they're incorrect. E is illogical - to say that "Because of gravity, this fact means..." would be an awfully illogical sentence - a fact can't be dependent upon itself.

A is also illogical in addition to being unidiomatic. Using the present-tense verbs "resembling" and "looking" doesn't logically work as a scientific fact - choice B, with the more-logical indicative tense "twins resemble...and look" states a clear fact worthy of proving or highlighting a scientific phenomenon. The present-tense verbs in A suggest a temporary situation. A also features a structural error at the end: "...feature of fraternal-twin pairs, namely they" requires a spacer such as "that" to set up the pronoun "they" as a subject.

Most importantly here, remember that the same types of errors are tested repeatedly - pronouns, verb tenses, etc. - so let those be your decision points before you try to eliminate sentences based on one-off idiomatic rules. Idioms are tricky in that they're often quite situational ("i before e except after c..."), so train yourself to look for the more-systematic decision points first.
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Re: The fact of some fraternal twins resembling each other [#permalink]

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13 Dec 2010, 10:20
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You can begin a sentence with "that" if "that" introduces the clause that's the subject of the sentence.

For example:

That Bobby would ace the GMAT was never in doubt.

The syntax will generally be:

That [fact that's the subject of the sentence] [predicate] [result].

However, just because it's grammatically correct doesn't mean that it's stylistically great - it's a fairly formal construction that most people don't use (you're far more likely to see it in "fancy" writing than in everyday prose).
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Re: The fact of some fraternal twins resembling each other [#permalink]

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14 Dec 2010, 16:07
Thanks a ton Stuart and Brian...for the awesome explanations !
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Re: The fact of some fraternal twins resembling each other [#permalink]

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04 Jun 2011, 06:04
Good question and well explained above. Answer is "B"
Each day learn new thing - sentence starts with that are not incorrect if "That...." is subject
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Re: The fact of some fraternal twins resembling each other [#permalink]

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11 Jun 2013, 02:32
I have found B as an answer by elimination of others. But, for last part, isn't it a run-on sentence?

B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably

Also, it seems there is no subject for the last part. Could someone explain that issue?
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Re: The fact of some fraternal twins resembling each other [#permalink]

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13 Jun 2013, 00:36
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espa wrote:
I have found B as an answer by elimination of others. But, for last part, isn't it a run-on sentence?

B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably

Also, it seems there is no subject for the last part. Could someone explain that issue?

Hi espa.

For your first question. This is not a run-on sentence because the adverb "namely" connect two parts of the sentence correctly. Please note that run-on sentences are sentences that lack punctuation; they can be long, but they can also be short.
The syntax: "That...ABC...., namely that... XYZ....." is correct.

That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably.............

Hope that helps.

The second part has the subject - they, which refers to "some fraternal twins".
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Re: The fact of some fraternal twins resembling each other [#permalink]

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08 Jul 2013, 03:59
Is there an idiom in this question Namely that?
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Re: The fact of some fraternal twins resembling each other [#permalink]

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08 Jul 2013, 13:01
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fozzzy wrote:
Is there an idiom in this question Namely that?

Hi fozzzy

"Namely that" is not an idiom. "Namely" is an adverb used to introduce a particular or specific designation.
For examples:
A package was delivered to some people, namely Tom and Peter. <== "Tom and Peter" is a designation of "some people"
Only one man invented the Theory of Relativity, namely Albert Einstein. <== "Albert Einstein" is a designation of "one man"

The correct sentence is: "that...., namely that .........". <=== The second clause "that...." is a particular designation of the first clause "that.....".

Hope it helps.
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Re: The fact of some fraternal twins resembling each other [#permalink]

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08 Sep 2014, 13:45
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Re: The fact of some fraternal twins resembling each other [#permalink]

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03 Jul 2015, 05:39
VeritasPrepBrian wrote:
Hey guys,

"It" in C and D is a pronoun without an antecedent (there isn't a clear prior noun to take its place), so they're incorrect.

'It' is fine in D. Isn't it?

'It' needs an antecedent in C but it doesn't in D
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Re: The fact of some fraternal twins resembling each other [#permalink]

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03 Jul 2015, 06:06
kobebryant24 wrote:
VeritasPrepBrian wrote:
Hey guys,

"It" in C and D is a pronoun without an antecedent (there isn't a clear prior noun to take its place), so they're incorrect.

'It' is fine in D. Isn't it?

'It' needs an antecedent in C but it doesn't in D

D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation...

no "it" is not fine here.. it(what?) is a fact
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Re: The fact of some fraternal twins resembling each other [#permalink]

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22 Jul 2015, 21:51
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The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

Meaning Analysis : (breaking it into different parts)
1. The fact highlights something ( Something - they vary considerably on a spectrum of genetic relatedness)
2. whatever fact highlighted is both interesting and Often Overlooked.
3. The fact is "some fraternal twins resembling each other (fraternal twins) greatly and others looking quite dissimilar"

Error Analysis :
1. SV agreement - Subject (The fact) and verb (highlights) both are matching in number. We dont have any dual subject - single verb or Single verb dual subject error. - Correct
2. Modifier - "Namely .... " modifies "feature of fraternal-twin pairs" - Logically correct meaning - Correct
3. Construction "resembling and Looking" - we know that Fact has to be present in simple present and anything other than Simple present (for presenting fact, universal truth) is wrong in GMAT - Incorrect
4. Idiom error - "The fact of" is not correct, it should be "fact that" - "that" modifies the fact. In The "fact of" "Of" is preposition and needs noun say "Facts of Gmat"

A. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
Incorrect - Reasons discussed above.

B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably
Subject is silent "That .... Dissimilar" acting as subject and match perfectly with singular verb "Highlights"
"Resemble and look" correctly present Facts in simple present tense.
No error But looks awkward. So lets see if we can find any better option.

C. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation
Pronoun error - "it" does not have any clear antecedent.
the phrase "With some fraternal twins resembling each other greatly and others looking quite dissimilar" -- what it is trying to Modify. It is just there in sentence does not seems to have any impact on anything - Incorrect

D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation
Incorrect - Similar error as option C

E. Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
"this" - What this is referring to.
Illogical meaning "Because of some facts" this fact highlights
Incorrect.

Since we other options have some or other string errors, Option B even though awkward but stands correct.
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Re: The fact of some fraternal twins resembling each other [#permalink]

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18 May 2016, 03:50
ajit257 wrote:
The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

A. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably
C. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation
D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation
E. Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably

Hi Egmat.

Below are my doubts:

What is this structure 'namely they … and how is it connected to the independent previous clause.
Are there any errors in C and D other than the usage of 'It' and change in meaning?
What's wrong with E
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Re: The fact of some fraternal twins resembling each other [#permalink]

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19 May 2016, 08:12
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nishatfarhat87 wrote:
The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

A. The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably
B. That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably
C. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation
D. With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation
E. Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably

Hi Egmat.

Below are my doubts:

What is this structure 'namely they … and how is it connected to the independent previous clause.
Are there any errors in C and D other than the usage of 'It' and change in meaning?
What's wrong with E

Hi Nishat,

Thanks for posting your doubt here.

The expression namely is an adverb that modifies the action in the previous independent clause. It gives more description as to what is highlighted.

No, there are not.

Choice E is incorrect because of it structure. The correct structure should be because A happens, B happens. We cannot say Because A happens, this fact does something. That's incorrect structure.

Hope this helps.
Thanks.
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Re: The fact of some fraternal twins resembling each other   [#permalink] 19 May 2016, 08:12
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