网址:http://m.1010jiajiao.com/timu3_id_1836961[举报]
下列基因型中,不属于纯合子的是
A. AaXBXB B. AAXBXB C. aaXBXB D. AAXbXb
A.AaXBXB B.AAXBXB C.aaXBXB D.AAXbXb