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fr1tic9327
2 năm trước
Những đầu óc thông thái ơi! Cho hỏi ngu phát nhé. Kiểu gen AaBb: khi phân li tạo 4 giao tử A,a, B,b. Mẹ cũng vậy. Thế tại sao nó không tổ hợp với nhau để tạo hợp tử. Mà lại tạo ra AB, Ab, aB, ab. Sau đó mới tổ hợp lại. Làm ơn giải thích cho mình hiểu với
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