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# According to scientists at the University of California, the

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Senior Manager
Joined: 19 Nov 2007
Posts: 457

Kudos [?]: 225 [0], given: 4

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

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19 Feb 2008, 15:46
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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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Kudos [?]: 225 [0], given: 4

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Joined: 28 Dec 2005
Posts: 1543

Kudos [?]: 189 [0], given: 2

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19 Feb 2008, 17:34
D .... 'pattern' is singular and so needs 'indicates', and proper idiom is 'descendant of ..'

Kudos [?]: 189 [0], given: 2

Re: SC-DNA   [#permalink] 19 Feb 2008, 17:34
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# According to scientists at the University of California, the

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