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By analyzing the advanced olfactory apparatus of Pleistocene

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By analyzing the advanced olfactory apparatus of Pleistocene [#permalink] New post 28 Sep 2009, 12:30
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187. By analyzing the advanced olfactory apparatus of Pleistocene chordates, paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage, a link that could prove invaluable in the treatment of amnesia victims.
(A) paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage
(B) a link between the brain’s regions of scent discrimination and its regions of long-term memory storage has been discovered by paleozoologists
(C) there is a link that paleozoologists have discovered between the brain’s regions of scent discrimination and its regions of long-term memory storage
(D) the discovery of a link between the brain’s regions of scent discrimination and its regions of long-term memory storage was made by paleozoologists
(E) the brain’s regions of scent discrimination and long-term memory storage have a link that was discovered by paleozoologists

Why the answer is not B can any 1 plz explain
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 28 Sep 2009, 22:38
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The modifier "By analyzing the advanced olfactory apparatus of Pleistocene chordates" cannot refer to "a link between ..." because "a link ..." cannot analyze anything.


"By analyzing ... " should modify sb who can analyze the advanced olfactory apparatus of Pleistocene chordates, such as paleontologists in option A.

For instance


By studying sentence correction, sagarsabnis improved his GMAT score.
By studying sentence correction, the GMAT score of sagarsabnis improved.

The first option is right because you can study sentence correction, whereas the second option is wrong because a GMAT cannot study
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 29 Sep 2009, 04:20
Answer choice A is definitely right.

As mikeCoolBoy has already explained, choice A is the only one that places the noun modifier "by analyzing...." right. This modifier modifies the noun "paleozoologists". As you know, the "touch rule" states that a noun and its modifier should always touch each other. All other answer choices include misplaced modifiers.

However, there are other criteria as to why the other coices should be avoided:

B - ...has been discovered by paleozoologists (you should avoid the passive voice)
C - ...there is a link that.... (wordy)
D - ....was made by paleozoologists (again passive voice)
E - ....the brain’s regions...have a link (not correct) & was discovered by paleozoologists (passive voice)
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 29 Sep 2009, 10:52
Awesome explanation mikecoolboy thanks a lot...
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 29 Sep 2009, 11:14
clear a

B,C,D,E modifier problem
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 30 Sep 2009, 06:17
i have a doubt in answer a
what is the subject of "its" . it is referring to brain but its can not refer to brain's .
pronoun error
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 21 Nov 2009, 17:14
Expert's post
Yes, choice A is the best here. The phrase before the comma is intended to modify paleozoologists.
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 29 Dec 2010, 07:29
sagarsabnis wrote:
Why the answer is not B can any 1 plz explain


(A)

"By analyzing the advanced olfactory apparatus of Pleistocene chordates" should modify paleozoologists and not link/discovery/brain

(A) paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage
(B) a link between the brain’s regions of scent discrimination and its regions of long-term memory storage has been discovered by paleozoologists
(C) there is a link that paleozoologists have discovered between the brain’s regions of scent discrimination and its regions of long-term memory storage
(D) the discovery of a link between the brain’s regions of scent discrimination and its regions of long-term memory storage was made by paleozoologists
(E) the brain’s regions of scent discrimination and long-term memory storage have a link that was discovered by paleozoologists
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Re: By analyzing the advanced olfactory apparatus of Pleistocene [#permalink] New post 15 May 2012, 00:21
+1 A
The modifier 'By analyzing the advanced olfactory apparatus of Pleistocene chordates', modifies the noun 'paleozoologists'
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Re: By analyzing the advanced olfactory apparatus [#permalink] New post 17 May 2012, 05:16
Expert's post
adarsh12345 wrote:
i have a doubt in answer a
what is the subject of "its" . it is referring to brain but its can not refer to brain's .
pronoun error
.


Hi Adarsh,

By analyzing the advanced olfactory apparatus of Pleistocene chordates, paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage, a link that could prove invaluable in the treatment of amnesia victims.

In this sentence possessive pronoun “its” correctly refers to the possessive noun “brain’s”. The sentence mentions “brain’s regions of scent discrimination” and then it mentions “its regions of long-term memory storage”. If you were to replace “its” from the second entity, you would replace it with “brain’s”. Hence, the pronoun reference is absolutely clear here.

Hope this helps.
Thanks.
Shraddha
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Re: By analyzing the advanced olfactory apparatus of Pleistocene [#permalink] New post 13 Sep 2012, 02:30
sagarsabnis wrote:
187. By analyzing the advanced olfactory apparatus of Pleistocene chordates, paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage, a link that could prove invaluable in the treatment of amnesia victims.
(A) paleozoologists have discovered a link between the brain’s regions of scent discrimination and its regions of long-term memory storage
(B) a link between the brain’s regions of scent discrimination and its regions of long-term memory storage has been discovered by paleozoologists
(C) there is a link that paleozoologists have discovered between the brain’s regions of scent discrimination and its regions of long-term memory storage
(D) the discovery of a link between the brain’s regions of scent discrimination and its regions of long-term memory storage was made by paleozoologists
(E) the brain’s regions of scent discrimination and long-term memory storage have a link that was discovered by paleozoologists

Why the answer is not B can any 1 plz explain


I quickly eliminated B,C,D and E just by looking at the suggested word before "a link that could prove invaluable". This phrase should be appropriately modifying "the link" stated in the sentence.

B ends with "pateozoologists". This cannot be the link that could prove invaluable referred in the sentence. So, we can also eliminate D and E.
C ends with long-term memory storage which is also incorrect.

A seems to be the only good phrase to link to the sentence.
paleontologists have discovered a link between X and Y, a link that could prove invaluable..
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Re: By analyzing the advanced olfactory apparatus of Pleistocene [#permalink] New post 17 Jun 2014, 05:04
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Re: By analyzing the advanced olfactory apparatus of Pleistocene   [#permalink] 17 Jun 2014, 05:04
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