Ở một loài thực vật: A- thân cao trội hoàn toàn so với a - thân thấp; B - quả đỏ trội hoàn toàn so với b - quả trắng. hãy viết sơ đồ lai xác định tỉ lệ kiểu gen, kiểu hình ở các phép lai sau:
P: AaBb x aabb
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