问题描述:
豌豆子叶黄色(Y)与绿色(y)为一对等位基因控制,现将子叶黄色豌豆与子叶绿色豌豆杂交,F1为黄色.F1自花受粉后结出F2代种子共8003粒,其中子叶黄色豌豆种子6002粒.试分析回答:(1)显性性状为___.(2)F1代产生配子的类型是___,其比例是___.最佳答案:
(1)将子叶黄色豌豆与子叶绿色豌豆杂交,F1为黄色,说明黄色对绿色是显性性状.(2)由题意知,F1代基因型为Yy,F1代产生的配子的类型及比例是Y:y=1:1.故答案为:(1)黄色(2)Y和y 1:1
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