下列有关纯合子和杂合子的叙述,不正确的是A.纯合子之间杂交,

下列有关纯合子和杂合子的叙述,不正确的是

A.纯合子之间杂交,后代不一定是纯合子

B.杂合子之间杂交,后代全是杂合子

C.前者形成配子时,无遗传因子分离;后者自交后代有遗传因子分离

D.前者自交后代性状不分离,后者自交后代性状分离

答案

B

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