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vutien2020
2 năm trước
1Ở phép lai P: AA x aa, hãy cho biết bộ NST, kiểu gen của F1 trong các trường hợp sau: a. Đột biến xảy ra trong giảm phân hình thành giao tử ở P, con lai F1 sinh ra là thể tứ bội. b. Đột biến xảy ra trong giảm phân hình thành giao tử ở P, con lai F1 sinh ra là thể tam bội
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