阿摩線上測驗
7. 下列何者不是造成基因變異的主因?
(A)gene mutation
(B)crossing over and genetic recombination
(C)the role of environment in controlling genetic expression
(D)alteration in chromosome structure or number
答案：登入後查看
統計： A(2), B(16), C(141), D(23), E(0) #608570
統計： A(2), B(16), C(141), D(23), E(0) #608570
