According to scientists at the UC, the pattern of changes that have occurred in human DNA over the millennia indicate the possbility that everyone alive today might be descended from a singel female ancestor who lived in Africa sometime between 140,000 and 280,000 years ago.
A) indicate the possibility that everyone alive to day might be descended from a single female ancestor who
B) indicate that everyone alive today might possibly be a descendet of a singel 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 maybe 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 follows after discussion.
A) indicate the possibility that everyone alive to day might be descended from a single female ancestor who
B) indicate that everyone alive today might possibly be a descendet of a singel 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 maybe 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 follows after discussion.
Last edited by hitmewithgmat on Mon Feb 16, 2009 6:13 am, edited 1 time in total.
By that logic, I would rule out B, D & E for the word "singel" 
I think it is a typo.
?
