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In what promises to be an alternative to corneal transplantation

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In what promises to be an alternative to corneal transplantation [#permalink]

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1. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.

A. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.

B. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells in the eye by scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists possess the ability to restore lost sight.

C. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists offers hope.

D. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye, which possess the ability to restore lost sight, and promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.

E. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.
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Last edited by raj44 on 15 Dec 2014, 03:02, edited 1 time in total.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 13 Dec 2014, 00:43
Fell for A. Need explanation on OA please!!
And what is the source of this question?
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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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scofield1521 wrote:
Fell for A. Need explanation on OA please!!
And what is the source of this question?


The initial opening phrase is meant to modify the discovery and not the scientists; therefore it boils down to 2 choices B and C. Between B and C, C is the better option having all modifiers correctly placed ...

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 15 Dec 2014, 03:39
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In this question..the sentence in Option C starts with " In what promises" and ends with "offers hope".. "What promises" can "offer hope" but I think if it is "In what promises"..one will "find hope" . There is SV mismatch in this option IMO.

Only "Something" can offer hope.. "in something" we can "find something" , "in something" cannot "offer hope."

"Hope" i am clear here.. :) :wink:

Can you please quote source of this question?

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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Why cant we consider option E as the right answer?

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 15 Dec 2014, 21:10
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I would also need to know why is E not correct.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 16 Dec 2014, 10:50
Cannot agree with C). I feel E) is a better choice, although not a very good choice.

Reason for C) to be incorrect is the placement of the modifier "in the eye", which is placed right after "restore lost sight" rather than the actual object ("potent stem cells") that it should modify.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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Few things we learned from this passage:
1). Scientists claimed to have discovered potent stem cells in the eye
2). The cells possess the ability to restore lost sight
3). This discovery offers a promising alternative to treat blindness

Keep in mind that it is the potent stem cells that possess the ability to restore sight, not the eye itself or the discovery of the cells.

1. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.

A. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.
"That" incorrectly modifies "eye", which does not possess the ability to restore lost sight. The potent stem cells in the eye possess the ability to restore lost sight. Incorrect

B. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells in the eye by scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists possess the ability to restore lost sight.
If we read this answer choice carefully, we see that "the discovery of..... by scientists..... possess the ability to restore lost sight". Again, the discovery does not possess the ability. Incorrect

C. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists, offers hope.
Here, "Possessing the ability to restore lost sight" correctly modifies potent stem cells. Correct

D. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye, which possess the ability to restore lost sight, and promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.
Like choice A, "which" incorrectly modifies "eye", which does not possess the ability to restore lost sight. Incorrect

E. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.
Same as choice A. Incorrect

Hope this helps!

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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raj44 wrote:
1. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.

A. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.
B. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells in the eye by scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists possess the ability to restore lost sight.
C. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists, offers hope.
D. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye, which possess the ability to restore lost sight, and promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.
E. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.


Let me try to explain, although I rarely post anything.

I am trying to explain each answer choice.

1) In what promises to be an alternative to corneal transplantation in treating blindness..................., scientists from city-based ................

here opening of the sentence seems to modify scientists, but scientists are not promising anything. It is Discovery that is promising. So wrong.

2) In what promises to be an alternative...................., the discovery of potent stem cells..............................possess the ability to.................

Opening seems to modify the discovery of cells - correct, after that there is subject-verb mismatch. It should have been, the discovery of........possesses... So wrong

3) This is correct answer choice. Opening modifies discovery of stem cells...and verb is ...offers hope.

4) potent stem cells in the eye, which

this seems to suggest eye possess the ability, wrong choice.

5) discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative

here "that" seems to point to "eye", even if we ignore and think it might be referring to stem cells (as there are few examples in which "that" can refer a little backward) but as we move forward we have another confusion, " lost sight promising", lost sight is not promising. as this is verb-ing and it refers to subject immediately before it. another confusion ---- wrong choice.

so answer is C

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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Lets first understand the 3:2 split.

A. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.-"In what promises to be an alternative" should be followed rightly modified by "the discovery" after the comma. Hence incorrect

B. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells in the eye by scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists possess the ability to restore lost sight."In what promises to be an alternative" should be followed rightly modified by "the discovery" after the comma. Sentence agrees to it."the discovery" possesses the ability(and not possess the ability) to restore lost sight is the correct usage.Hence incorrect

C. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists, offers hope.-"the discovery" .....offers hope sounds correct. Also the discovery possessing the ... does not change the meaning. Hence correct.

D. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye, which possess the ability to restore lost sight, and promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.-which wrongly modifies the eye.incorrect

E. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea."scientists claimed...wrong usage,Hence incorrect.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 10 Aug 2015, 07:41
I'm having problems with why this is 'C' if you look at the highlighted text, Shouldn't there be a THE before the word Cornea?

dominicraj wrote:
Lets first understand the 3:2 split.

A. In what promises to be an alternative to corneal transplantation in treating blindness caused from damage to cornea, scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight.-"In what promises to be an alternative" should be followed rightly modified by "the discovery" after the comma. Hence incorrect

B. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells in the eye by scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists possess the ability to restore lost sight."In what promises to be an alternative" should be followed rightly modified by "the discovery" after the comma. Sentence agrees to it."the discovery" possesses the ability(and not possess the ability) to restore lost sight is the correct usage.Hence incorrect

C. In what promises to be an alternative to corneal transplantation for treating blindness caused from damage to cornea, the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists, offers hope.-"the discovery" .....offers hope sounds correct. Also the discovery possessing the ... does not change the meaning. Hence correct.

D. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye, which possess the ability to restore lost sight, and promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea.-which wrongly modifies the eye.incorrect

E. Scientists from city-based L.V. Prasad Eye Institute (LVPEI) in collaboration with U.S. scientists claimed to have discovered potent stem cells in the eye that possess the ability to restore lost sight promising to be an alternative to corneal transplantation in treating blindness caused from damage to cornea."scientists claimed...wrong usage,Hence incorrect.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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In my own logic:

The discovery only promises to be an alternative to the existing treatment. The discovery is not yet proven and complete. The use of a past tense verb ‘claimed ‘to describe something that started in the past, but still ongoing currently, is not appropriate. The verb should be either in the present perfect, 'have claimed to have’ or even in present tense ‘claim to have’. We can simply kick off A, D and E. Between B and C: The subject is the singular discovery; its verb also should be a singular ‘offers’ as in C rather than the plural ‘possess’ as in B.
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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 28 Sep 2015, 12:10
In my opinion, in option C, the mission critical modifier, possessing the ability to restore lost sight in the eye is way too long and needs a comma at the end. Otherwise the sentence becomes confusing.
I think the collection of the 150 hardest questions is not really helpful. The hardest questions are from unreliable sources and do more damage than good.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 19 Oct 2015, 12:50
Alternative to cornea transplant should be the discovery of potent stem cells or potent stem cells?

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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I have a doubt regarding option C,

Isn't it wrong on grounds of essential and non-essential clause?

Manhattan GMAT says that we put non-essential clauses in commas.

Then if non essential phrase(the discovery of potent stem cells possessing the ability to restore lost sight in the eye by city-based L.V. Prasad Eye Institute (LVPEI)’s scientists along with U.S. scientists) in this is removed, the sentence makes no sense.

Hit Kudos, if u've got the same doubt or now agree with me.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 30 Nov 2015, 09:54
Alright, I can't offer any technical grammatical insight but following is my two cents:

A- Scientist incorrectly modifies- in what promises to be an alternative. "The discovery of stem cells" should modify this clause.

B- The discovery of stem cells doesn't possess the ability to restore lost sight, the stem cells do. Even if the discovery did possess, there is a subject-verb disagreement.

D- "and promising to be an alternative..........to cornea" unclear referent, grammatically wrong, this option seemed to be the most egregious.

E- I came down to options C and E.This option looks right at the first go. Although, the use of "that" after eye and "promising to be an alternative........" following from "lost sight" put a seed of doubt in my mind.

C- This seems the best of the lot. "offers hope" correctly modifies "the discovery of potent cell stems"

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 08 Dec 2015, 16:50
it doesn't seem that C is the correct answer.
It is not logical that "The discovery is what promises to be an alternative"
Actually it is the potent stem cells discovered that promises.

IMO option E is the most clear and correct

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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douglasvg wrote:
it doesn't seem that C is the correct answer.
It is not logical that "The discovery is what promises to be an alternative"
Actually it is the potent stem cells discovered that promises.

IMO option E is the most clear and correct


If there was a comma before promising then option E would be correct i feel. An ing-verb without a comma can only modify a noun, so in this case promising is modifying "sight" but an ing-verb with a comma can modify an entire clause.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 09 Dec 2015, 04:24
RahulSingh13 wrote:
douglasvg wrote:
it doesn't seem that C is the correct answer.
It is not logical that "The discovery is what promises to be an alternative"
Actually it is the potent stem cells discovered that promises.

IMO option E is the most clear and correct


If there was a comma before promising then option E would be correct i feel. An ing-verb without a comma can only modify a noun, so in this case promising is modifying "sight" but an ing-verb with a comma can modify an entire clause.


I agree with you, thanks
I think I passed quickly and I didn't check that before the ing-verb the sentence didn't have a comma.

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Re: In what promises to be an alternative to corneal transplantation [#permalink]

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New post 29 Dec 2015, 01:33
Option C is wrong. Let's simplify it a bit:

In the (something), the discovery possessing abcxyz [correct modifier] , [what's the comma for?] offers hope

See the problem?

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Re: In what promises to be an alternative to corneal transplantation   [#permalink] 29 Dec 2015, 01:33

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