如图是人类的性别决定图解据图回答下列问题1人类的性别是由染色体决定的.在人体细胞的23对染色体中22对与性别决定无关叫做常染色体 Template




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tomski如图是人类的性别决定图解据图回答下列问题1人类的性别是由染色体决定的.在人体细胞的23对染色体中22对与性别决定无关叫做常染色体 coloring