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duongdtd10
2 năm trước
1. ở gà, bộ NST 2n = 18, có 5 tế bào tiến hành nguyên phân, số lần nguyên phân của các tế bào lần lượt là 5, 4, 3, 2, 1. Hãy xác định: a) Tổng số tế bào con tạo ra nguyên phân của 5 tế bào b) Tổng số NST chứa trong các tế bào con tạo ra sau nguyên phân của 5 tế bào trên
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