据图回答下列问题1图中的“ 代表染色体a和a代表基因.2在形成精子的过程中性细胞的每对染色体中的1条进入精子.3人体的受精卵 Template




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tomski据图回答下列问题1图中的“ 代表染色体a和a代表基因.2在形成精子的过程中性细胞的每对染色体中的1条进入精子.3人体的受精卵 coloring