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# According to scientists at the University of California, the

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

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15 Aug 2010, 08:46
9
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The correct idioms are:

'descendant of'
'descended from'

Hence D.

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

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15 Aug 2010, 09:14
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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Re: According to scientists at the University of California, the [#permalink]

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15 Aug 2010, 10:39
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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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Re: According to scientists at the University of California, the [#permalink]

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15 Aug 2010, 11:17
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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Re: According to scientists at the University of California, the [#permalink]

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15 Aug 2010, 11:24
Agreed, similar issue! whats the OA for this one. I have chosen "D".

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

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16 Aug 2010, 10:28
D for the above SC and also the original SC!!

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

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16 Aug 2010, 10:34
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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Re: According to scientists at the University of California, the [#permalink]

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16 Aug 2010, 11:49
'descendant of' is the correct idom.so I will go with D

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

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22 Aug 2010, 01:31
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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Re: According to scientists at the University of California, the [#permalink]

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22 Aug 2010, 07:54
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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Re: According to scientists at the University of California, the [#permalink]

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16 Sep 2010, 22:54
GMAT TIGER wrote:
tejal777 wrote:
６． 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

OA:
[Reveal] Spoiler:
D

First of,S-V agreement.
S-pattern>singular,therefore indicateS should be used.
A,B,C>eliminate.
D,E remains.

Queries:
1. descendent of/from.Are'nt both correct?
2.may/might.For a future event which defines certanity?May?
3.Subject of the sentence is pattern.Agreed.Can someone explain WHY?While identifying a subject we ask the question "Who did the action"..Is'nt the answer "scientists"??

Subject, "the pattren", is singular that requires a singualr verb and that eliminates ABC.

Between D and E, they have 2 major difference:-

1. "may be" and "might be": Every one alive today - so needs "may". "Might" may also indicate past possibility but "may" only does so for present and future possibilities.

2. "descendant of" and "descendant from" - thats entirely about the correct idiom. "descendant of" is better than "decendent from".

But the verb "may/might" is the main reason that eliminates E and keeps D.

Agreed that "pattern of changes" is singular, then why does the question stem contain "pattern of changes that [highlight]have [/highlight]occurred".
Should it not be "changes that [highlight]has[/highlight]" occurred

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

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23 Sep 2010, 05:54
６．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 Awkward construction
(B) indicate that everyone alive today might possibly be a descendant of a single female ancestor who had Wrong tense
(C) may indicate that everyone alive today has descended from a single female ancestor who had Same reason as B
(D) indicates that everyone alive today may be a descendant of a single female ancestor who CORRECT
(E) indicates that everyone alive today might be a descendant from a single female ancestor who Should be "descendant of"

Hence IMO D
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Re: According to scientists at the University of California, the [#permalink]

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19 Oct 2010, 16:48
Can someone explain why A is incorrect? Thanks.

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

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19 Oct 2010, 19:24
HustleHarder wrote:
Can someone explain why A is incorrect? Thanks.

Subject-Verb Agreement.

Subject = the pattern (Singular)

Verb = indicate (plural)
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Re: According to scientists at the University of California, the [#permalink]

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05 Nov 2010, 06:43
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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Re: According to scientists at the University of California, the [#permalink]

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05 Nov 2010, 18:13
D is the answer for 1st one
S-V Agreement
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Re: According to scientists at the University of California, the [#permalink]

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05 Nov 2010, 23:01
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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Re: According to scientists at the University of California, the [#permalink]

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06 Nov 2010, 16:30
D.
Indicate and Indicates helps us to eliminate A,B and C. Then chose the correct idiom between the two.

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

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08 Nov 2010, 08:46
"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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Re: According to scientists at the University of California, the [#permalink]

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12 Nov 2010, 22:28
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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Re: According to scientists at the University of California, the   [#permalink] 12 Nov 2010, 22:28

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