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Biology, 21.08.2021 06:20 germainenez8403

Một thí nghiệm lai giữa ruồi giấm cái thân xám, mắt đỏ với ruồi giấm đực thân đen, mắt trắng thu được toàn bộ ruồi F1 thân xám, mắt đỏ. Cho F1 giao phối ngẫu nhiên thu được F2 phân li theo tỉ lệ: Ruồi cái: 75% thân xám, mắt đỏ: 25% thân đen, mắt đỏ
Ruồi đực: 37,5% thân xám, mắt đỏ:37,5% thân xám, mắt trắng: 12,5%
thân đen, mắt đỏ:12,5% thân đen, mắt trắng.
Biện luận để xác định quy luật DT chi phối các tính trạng trên. Viết KG của F1.
Biết rằng mỗi gen quy định một TT.

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Một thí nghiệm lai giữa ruồi giấm cái thân xám, mắt đỏ với ruồi giấm đực thân đen, mắt trắng thu đượ...
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