家鼠的毛色与位于两对同源染色体上的两对等位基因aa和bb有关.毛色色素的产生必须有基因a存在能产生色素的个体毛色�黄色或�色不产生色素 Template




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tomski家鼠的毛色与位于两对同源染色体上的两对等位基因aa和bb有关.毛色色素的产生必须有基因a存在能产生色素的个体毛色�黄色或�色不产生色素 coloring