Dysgenesis

[dis'dʒenisis]

解释:

(noun.) infertility between hybrids.

校对:洛丽塔--From WordNet

解释:

(n.) A condition of not generating or breeding freely; infertility; a form homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.

录入:玛莎