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2 năm trước
Ở 1 loài thực vật, mỗi gen quy định 1 tính trạng tính trạng trội là trội hoàn toàn. Cho phép lai P AaBbDd × AaBbDd thì tỉ lệ các kiểu gen Aabb, AaBbDd, aabbdd ở F1 là bao nhiêu Giúp mình nha. Cảm ơn
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