问题
填空题
基因型为AaBb的一个精原细胞，产生了2个AB、2个ab的配子，则这两对等位基因一定不位于（）同源染色体上。
答案
参考答案：两对
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基因型为AaBb的一个精原细胞，产生了2个AB、2个ab的配子，则这两对等位基因一定不位于（）同源染色体上。
参考答案：两对
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