多項(xiàng)選擇題

一個(gè)在ABO血型系統(tǒng)上處于遺傳平衡的人群中,A型血、B型血、AB型血、O型血存在的頻率可能分別是()。

A.0.45,0.13,0.06,0.36
B.0.48,0.33,0.03,0.16
C.0.39,0.24,0.12,0.25
D.0.28,0.28,0.08,0.36

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