果蝇的大翅和小翅是一对相对性状由一对等位基因aa控制.现用大翅雌果蝇和小翅雄果蝇进行交配再让f1雌雄个体相互交配实验结果如下f1大 Template




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tomski果蝇的大翅和小翅是一对相对性状由一对等位基因aa控制.现用大翅雌果蝇和小翅雄果蝇进行交配再让f1雌雄个体相互交配实验结果如下f1大 coloring