果蝇的体细胞中含有8条染色体则果蝇的初级精母细胞中含有的四分体的个数和精子中含有的同源染色体的对数分别是 A.84b.48c.4 Template




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tomski果蝇的体细胞中含有8条染色体则果蝇的初级精母细胞中含有的四分体的个数和精子中含有的同源染色体的对数分别是 a.84b.48c.4 coloring