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nhiyennhi2307
2 năm trước
Ở đậu Hà Lan. Gen A quy định thân cao trội hoàn toàn , gen a quy định thân thấp. Cho cây thân cao lai cây thân thấp, F1 thu được 50% cây thân cao, 50% cây thân thấp. Hãy giải thích kết quả và viết sơ đồ lai.
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