A-A+
Page seems to believe that [A]the gene loss of
问题详情
Page seems to believe that [A]the gene loss of Y chromosome is sure andfast． [B]thegene loss of Y chromosome is quite slow． [C]the Y chromosome is facin9“imminentdemise”． [D]the Y chromosome will be replaced by a newone．
参考答案
正确答案：B
事实细节题。文章第二段开头就说：Page说“过去的600万年问没有基因的损失，染色体自我维护良好”，这说明他认为Y染色体的基因损失是非常缓慢的。
