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6.5习题:已知两个基因交换值求杂交后代表型比率

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6.5习题:已知两个基因交换值求杂交后代表型比率 JPEG Origin Image Download
解题关键:先根据交换值求出各种基因型配子所占比率,再通过棋盘格法求出各种基因型后代所占比例,同一表型的后代求和。