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# People who inherit the sickle cell anemia gene from only one

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Director
Joined: 12 Oct 2008
Posts: 507
People who inherit the sickle cell anemia gene from only one [#permalink]

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07 Feb 2009, 13:26
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People who inherit the sickle cell anemia gene from only one parent
seem to be resistant to malaria, an evolutionary advantage that may
explain why a generic condition so debilitating to many individuals has
survived in the human population.

(A) seem to be resistant to malaria,
(B) seem to be resistant to malaria and have
(C) seem to be resistant to malaria, which is
(D) seem to be resistant to malaria, having
(E) seem to be resistant to malaria; this is

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SVP
Joined: 17 Jun 2008
Posts: 1502

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07 Feb 2009, 13:41
B makes the second part of the sentence logical and complete.
Senior Manager
Joined: 26 May 2008
Posts: 420
Schools: Kellogg Class of 2012

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07 Feb 2009, 21:20
The fact that they are resistant to malaria is itself an evolutionary advantage; B,C and D change the meaning

Between A and E, I'll go with E because A has a run on sentence

Cheers,
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Intern
Joined: 31 Jan 2009
Posts: 19

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08 Feb 2009, 01:41
I saw this question somewhere else, the correct answer should be A
Someone called it noun apposition modifier, we can refer to OG 11th supplement 59 "a shortcoming".

Also in "SC questions - reserve" posted here before "........., information that"
Senior Manager
Joined: 21 Apr 2008
Posts: 477
Schools: Kellogg, MIT, Michigan, Berkeley, Marshall, Mellon

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08 Feb 2009, 05:33
Hi mates,

this is a tricky one!!

First, I picked B, but then I realized that the secnd part should modify the fact of the lack of the gene

so, agree with A. The others can change the meaning, and E is not correct, using this as subject after a semicolon

OA and Source?

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Manager
Joined: 17 Dec 2008
Posts: 165

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09 Feb 2009, 08:31
I picked B since I felt that you need to get correct meaning.
Also I felt evolutionary advantage is the gene not the resistance to malaria.

evolution => the historical development of a biological group .
People who inherit the sickle cell anemia gene from only one parent.
1.) This gene makes them "seem resistant to malaria".
2.) This gene gives them an evolutionary advantage.

If you define the resistance to malaria as the evolutionary adv., (which the sentence structure suggests), then the previous answers mentioned in this thread are correct.

This sentence has a weird structure and is poor example.

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This is not a quality discussion. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Re: SC: maleria   [#permalink] 09 Feb 2009, 08:31
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