Biology, 19.06.2021 08:50 taterbuglee2003

Ở một loài thực vật, xét 2 cặp gen phân li độc lập A, a và B, b, mỗi gen quy định 1 tính trạng, alen trội là trội hoàn toàn. Tiến hành mmotj phép lai giữa hai cây, thu được F1. Thep lý thuyết, kiểu hình mang hai tính trạng trội ở F1 không thể chiếm tỷ lệ: A: 12,5% B: 37,5%

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Ở một loài thực vật, xét 2 cặp gen phân li độc lập A, a và B, b, mỗi gen quy định 1 tính trạng, alen...

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