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CA lack of genetic variation

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amysky_0205 Master | Next Rank: 500 Posts Default Avatar
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CA lack of genetic variation

Post Mon Jan 21, 2013 1:25 am
In California, a lack of genetic variation in the Argentine ant has allowed the species to spread widely; due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits the spread of this species in
its native Argentina.

A. due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

B. Due to its being so genetically similar the ant considers all its fellows to be a close relative and thus does not engage in the kind of fierce intercolnny struggles that limit

C. Because it is so genetically similar, the ant considers all its fellows to be close relatives and thus does not engage in the kind of fierce intercolony struggles that limits

D. Because they are so genetically similar to one another, the ants consider all their fellows to be close relatives and thus do not engage in the kind of fierce intercolony struggles that limit

E. Because of being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

Don't know which answer is right
D or C??

plz explain, I chose D.

thank u!

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patanjali.purpose Legendary Member Default Avatar
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Post Mon Jan 21, 2013 10:20 am
amysky_0205 wrote:
In California, a lack of genetic variation in the Argentine ant has allowed the species to spread widely; due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits the spread of this species in
its native Argentina.

A. due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

B. Due to its being so genetically similar the ant considers all its fellows to be a close relative and thus does not engage in the kind of fierce intercolnny struggles that limit

C. Because it is so genetically similar, the ant considers all its fellows to be close relatives and thus does not engage in the kind of fierce intercolony struggles that limits

D. Because they are so genetically similar to one another, the ants consider all their fellows to be close relatives and thus do not engage in the kind of fierce intercolony struggles that limit

E. Because of being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

Don't know which answer is right
D or C??

plz explain, I chose D.

thank u!
easier approach..."the kind of fierce intercolony struggles that limits" - as LIMITS is singular suggesting that THE KIND is its subject, but can THE KIND LIMITS THE SPREAD? No, the real subject of LIMITS is STRUGGLES and therefore LIMITS should have been LIMIT. Drop A/C/E

Between B/D choice is between DUE TO and BECAUSE...

DUE TO here modifies the NOUN immediately after the comma (IMO comma is missing after SIMILAR). That is DUE TO ITS BEING..SIMILAR modifies THE ANTS. Can THE ANTS be DUE TO xxx? No, DROP B

D

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challenger63 Master | Next Rank: 500 Posts
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Post Mon Jan 21, 2013 3:06 am
First of all, all answers contain mistake - "consider XY" not "consider to be".


In California, a lack of genetic variation in the Argentine ant has allowed the species to spread widely; due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits the spread of this species in
its native Argentina.

A. due to their being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

>> Due to in GMAT is used when it is possible to replace it with "is caused by"
So, A,B are wrong

"struggles that limits" is wrong (Plural Subject that Singular Verb)

"Being" is suspicious modifier. It means "temporary".



B. Due to its being so genetically similar the ant considers all its fellows to be a close relative and thus does not engage in the kind of fierce intercolony struggles that limit

>>
"due to", "being"
lack of comma before the ant

"similar" to what?



C. Because it is so genetically similar, the ant considers all its fellows to be close relatives and thus does not engage in the kind of fierce intercolony struggles that limits

>> "similar" to what?

D. Because they are so genetically similar to one another, the ants consider all their fellows to be close relatives and thus do not engage in the kind of fierce intercolony struggles that limit

>>

"because" +.
"one another" +
"struggles that limit" +
"because S+V, S+V" +

Good one.



E. Because of being so genetically similar to one another, the ants consider all their fellows to be a close relative and thus do not engage in the kind of fierce intercolony struggles that limits

>>
"struggles that limits" - Plural Subject that Singular Verb!


"all their fellows to be close relatives" not only one relative.


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