6.果蝇是用于遗传学研究的重要材料请回答下列有关问题 果蝇品系有三组性状Ⅰ和Ⅰ′Ⅱ和Ⅱ′Ⅲ和Ⅲ′ⅠⅡⅢ表示显性性状Ⅰ′Ⅱ Template




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tomski6.果蝇是用于遗传学研究的重要材料请回答下列有关问题 果蝇品系有三组性状Ⅰ和Ⅰ′Ⅱ和Ⅱ′Ⅲ和Ⅲ′ⅠⅡⅢ表示显性性状Ⅰ′Ⅱ coloring