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# According to scientists at the University of California, the

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

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03 Jul 2011, 12:41
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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
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Senior Manager
Joined: 26 Mar 2011
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Concentration: Finance
Schools: UCLA (Anderson) - Class of 2014
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Re: According to scientists at the.. [#permalink]

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03 Jul 2011, 12:54
D.

pattern.... INDICATES (singular) - this eliminates A-C

everyone alive today MAY be a descendant OF (idiom). A person "is descendED FROM someone else", and "a descenDENT OF someone else."
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Re: According to scientists at the.. [#permalink]

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03 Jul 2011, 13:27
achan 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

achan rest everyone who is new:

according-to-scientists-at-the-university-of-california-85387.html
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Re: According to scientists at the..   [#permalink] 03 Jul 2011, 13:27
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