18.已知果蝇的长翅和残翅是一对相对性状控制这对性状的基因位于常染色体上现让纯种的长翅果蝇和残翅果蝇杂交f1全是长翅f1自交产生f2 Template




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tomski18.已知果蝇的长翅和残翅是一对相对性状控制这对性状的基因位于常染色体上现让纯种的长翅果蝇和残翅果蝇杂交f1全是长翅f1自交产生f2 coloring