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tranxuandai.hnue
2 năm trước
Mọi người giúp mình với nha !! giả sử 1 tế bào sinh dục đực cua 1 loài có 2 cặp nhiễm sắc thể tương đồng kí hiệu AaBb a) khi giảm phân phát sinh giao tử hỏi có bao nhiêu giao tử được hình thành và chúng thuộc mấy loại? b)trong quá trình phát sinh giao tử giả sử không xảy ra hiện tượng trao đổi chéo thì loài sinh vật này có thể sinh tối đa bao nhiêu loại giao tử? viết kí hiệu bộ NST có trong các loại giao tử có thể sinh ra ?
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