研究表明果蝇的眼色受aa和bb两对基因控制色素的产生必须有显性基因a隐性基因a纯合时不产生色素果蝇为白眼显性基因b使色素�紫色 Template




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tomski研究表明果蝇的眼色受aa和bb两对基因控制色素的产生必须有显性基因a隐性基因a纯合时不产生色素果蝇为白眼显性基因b使色素�紫色 coloring