44.During a transition mutation, an Adenine will be replaced by:
(A) T.
(B) C.
(C) U.
(D) G.
(E) either T or C
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統計: A(3), B(2), C(2), D(33), E(2) #3094158
統計: A(3), B(2), C(2), D(33), E(2) #3094158