backcrossed的音标？

backcrossed的音标：

相关问题

backcrossed造句

F 1 females could be backcrossed to the male homozygous recessive parent.也可用雌性F1与隐性纯合雄性亲本回交....
- #backcrossed
- #造句
backcrossed的意思

v.回[逆]交，回交杂种( backcross的过去式和过去分词 )...
- #backcrossed
- #释义