a) Ở 1 loài động vật, giả sử có 5 tinh bào bậc 1 chứa 2 cặp NST tương đồng Bb và Cc khi giảm phân sẽ cho ra tối đã,tối thiểu mấy loại tinh trùng? Vì sao?Viết tỉ lệ các loại giao tử đó b) Ở 1 loài động vật khác, giả sử có 4 noãn bào bậc 1 chứa 3 cặp NST AaBbCc khi giảm phân sẽ cho ra tối đa,tối thiểu bao nhiêu loại trứng? Vì sao?Viết tỉ lệ các loại giao tử đó

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