下面是培臻教育小编为大家整理的一篇关于BMAT考试：科学知识与应用练习（25）的文章，供大家参考，下面是详细内容。

BMAT考试：科学知识与应用练习

A woman has a recessive genetic condition butneither of her parents has the condition.

Which one of the following could not be true?

A  Both herparents are heterozygous for this gene.

B  Onematernal grandparent and one paternal grandparent have the condition.

C  Onematernal grandparent and one paternal grandparent are heterozygous for thisgene.

D  All hergrandparents were carriers of the recessive allele.

E  Bothparents are homozygous and a mutation occurred in the DNA of a gamete from oneof her parents.

本文转自互联网。更多内容推荐关注：微信名“培臻"(微信号prepzone)。