60. What, approximately, is the fraction of genetic variation in the nuclear genome is that is expected to have a harmful effect on gene function?
(A) 50%.
(B) 25%.
(C)10%.
(D) 1%.
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統計: A(4), B(5), C(1), D(36), E(0) #2911816
統計: A(4), B(5), C(1), D(36), E(0) #2911816