生物体细胞内的每一对染色体都有一条来自 一条来自 原因是在形成生殖细胞时父母双方体细胞中的每一对染色体都要分开分别进入不同的精子和卵 Template




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tomski生物体细胞内的每一对染色体都有一条来自 一条来自 原因是在形成生殖细胞时父母双方体细胞中的每一对染色体都要分开分别进入不同的精子和卵 coloring