一对表现型正常的夫妇,有一个白化病色盲的儿子,理论上计算,他们的子女中,与其母亲基因型相同的概率是[ ]
A.0
B.1/2
C.1/4
D.1/8
答案:D
–What did you say?
--So you _____________ to me.
A.won’t listen
B.didn’t listen
C.haven’t listened
D.weren’t listening
下列哪一项不符合正常A胆汁的特点?()
A.10~20ml
B.金黄色
C.透明性状,略黏稠
D.pH为7.0
E.比密为1.026~1.032