一道高中生物:基因型为的2倍体生物,可产生不同基因型的配子种类是多少,答案是2种,不是2的4次方,应...

2025-03-16 21:00:09
推荐回答(4个)
回答(1):

2种,AaBBccDD的个体,能产生ABcD与aBcD两种基因型的配子。可以单独分析每一对基因,Aa产生2种;BB产生1种;cc产生1种;DD产生1种。在进行综合为2*1*1*1=2种。

回答(2):

你的问题缺少前提条件,对“一对相对性状”来说如Aa,有2种配子,对n对相对性状来说,有2的n次方种配子~~~

回答(3):

一对相对性状时Aa只能分为A和a2 种

你说的是有四对相对性状时AaBbCcDd则有2的4次方种 即16种
分别为 ABCD abcd aBCD AbCD ABcD ABCd abCD aBcD aBCd AbcD AbCd ABcd Abcd aBcd abCd abcD

回答(4):

很久没看生物了 二倍体是不是比如是 XX XY 情况 她产生的配子 应该就是 XX XY 两种 好吧 都忘光了

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