题目

The old pianist wouldn’t listen to our repeated request that he _______ in public again. A. played        B. play             C. would        D. was going to play 答案：B在减数分裂过程中，初级卵母细胞和次级卵母细胞都会出现的是 (    ) A．同源染色体分离                        B．着丝点分裂 C．细胞质不均等分裂                      D．染色体复制