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# According to scientists at the University of California, the

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According to scientists at the University of California, the [#permalink]

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15 Aug 2010, 09:36
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According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago.

(A) indicate the possibility that everyone alive today might be descended from a single female ancestor who
(B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had
(C) may indicate that everyone alive today has descended from a single female ancestor who had
(D) indicates that everyone alive today may be a descendant of a single female ancestor who
(E) indicates that everyone alive today might be a descendant from a single female ancestor who

I am stuck between D and E , i.e, between May and Might ...Please explain!!
[Reveal] Spoiler: OA
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15 Aug 2010, 09:46
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The correct idioms are:

'descendant of'
'descended from'

Hence D.
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15 Aug 2010, 10:14
May expresses likelihood "we may go to the party", while might expresses a stronger sense of doubt "we might be able to go if our appointment is canceled"
or a contrary-to-fact hypothetical "we might have been able to go if George hadn't gotten held up"
( got this from a site called drgrammar.org )
Most of the time "might" is used with a conditional phrase e.g. "if our appointment is canceled"
For the question in hand: Choice is between D & E clearly other options use plural form for "pattern" / unnecessary past perfect form (as in option "C").
Now the pattern discovered by the scientists suggests a possibility and not create further doubt about the possibility. Therefore option "D" is correct.

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15 Aug 2010, 11:39
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[quote="rgtiwari"]According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago.

Eliminate A and B for subject-verb agreement problem, redundancy/double meaning.

Double meaning is the reason to eliminate C.

Between D and E.

"Might" is the past tense of the verb "may." In this sentence, the general fact/general truth is stated, requiring the present tense. Use of "might" is incorrect.

D.
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15 Aug 2010, 12:17
The Rorschach, test is gaining new respect as a diagnostic tool because it takes only one hour to expose behavior and thought processes that may be unlikely to emerge in other procedures or weeks of ordinary interviewing.

A) that may be unlikely to emerge in other procedures or weeks of ordinary interviewing
B) whose emergence is unlikely in other procedures or weeks of ordinary interviews
C) that might not emerge in other procedures or in weeks of ordinary interviews
D) that may not emerge under other procedures or weeks of ordinary interviews
E) likely not to emerge during weeks of ordinary interviewing or in other procedures

Similar issue!
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15 Aug 2010, 12:24
Agreed, similar issue! whats the OA for this one. I have chosen "D".
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16 Aug 2010, 11:28
D for the above SC and also the original SC!!
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16 Aug 2010, 11:34
It is C for the last one. According to an unofficial explanation, "might" is a legitimate substitute for "may". D is missing a preposition.
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16 Aug 2010, 12:49
'descendant of' is the correct idom.so I will go with D
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22 Aug 2010, 02:31
D D D.....
Indicates Vs Indicate (Check for "Pattern" and eliminate A B C !!!)
Descendant of Vs Descendant from (Correct Idiom "of", Eliminate E )
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22 Aug 2010, 08:54
D looks correct. I tot C initially. But yes. It did twist the meaning of the original sentence. Thks for pointing it out.
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19 Oct 2010, 17:48
Can someone explain why A is incorrect? Thanks.
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19 Oct 2010, 20:24
HustleHarder wrote:
Can someone explain why A is incorrect? Thanks.

Subject-Verb Agreement.

Subject = the pattern (Singular)

Verb = indicate (plural)
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05 Nov 2010, 07:43
Pattern of... is singular. So we're left with D and E.
May is present tense and might is past tense of may and Author is talking about present. So IMO, answer should be D. Hope it helps.
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05 Nov 2010, 19:13
D is the answer for 1st one
S-V Agreement
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Last edited by nageshshiv on 06 Nov 2010, 21:18, edited 1 time in total.
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06 Nov 2010, 00:01
rgtiwari wrote:
According to scientists at the University of California, the pattern of changes that have occurred in human DNA over the millennia indicate the possibility that everyone alive today might be descended from a single female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago.

(A) indicate the possibility that everyone alive today might be descended from a single female ancestor who
(B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had
(C) may indicate that everyone alive today has descended from a single female ancestor who had
(D) indicates that everyone alive today may be a descendant of a single female ancestor who
(E) indicates that everyone alive today might be a descendant from a single female ancestor who

I am stuck between D and E , i.e, between May and Might ...Please explain!!

The sentence has got nothing to do with 'may vs might' ... the problem here is with idioms...the correct idioms are 'descended from' or 'descendant of' ... so E is incorrect..
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06 Nov 2010, 17:30
D.
Indicate and Indicates helps us to eliminate A,B and C. Then chose the correct idiom between the two.
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08 Nov 2010, 09:46
"Descendant of" is main differentiator after you've successfully eliminated A, B and C.

Another possibility after eliminating A, B and C is the statement would need to read "might have descended from".

Any thoughts people?
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12 Nov 2010, 23:28
HustleHarder wrote:
Can someone explain why A is incorrect? Thanks.

(A): "According to scientists...the pattern...indicate the possibility...", when it should be "the pattern indicates".
D for the original question.

I chose D for second question too, but after re-reading D showed the question its way to my error log.
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16 Nov 2010, 21:30
(A) indicate the possibility that everyone alive today might be descended from a single female ancestor who
(B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had
(C) may indicate that everyone alive today has descended from a single female ancestor who had
(D) indicates that everyone alive today may be a descendant of a single female ancestor who (the pattern of – means SINGULAR subject which must agree with indicates SINGULAR verb & may be indicates an event in the past)
(E) indicates that everyone alive today might be a descendant from a single female ancestor who(the pattern of – means SINGULAR subject which must agree with indicates SINGULAR verb & might be indicates that is going to happen in the future)

IMO --> D
Re: May vs Might   [#permalink] 16 Nov 2010, 21:30

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