下列关于人类性别决定与伴性遗传的叙述正确的是 A.性染色体上的基因都与性别决定有关 B.性染色体上的基因都伴随性染色体遗传 C.生殖 Template




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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomski下列关于人类性别决定与伴性遗传的叙述正确的是 a.性染色体上的基因都与性别决定有关 b.性染色体上的基因都伴随性染色体遗传 coloring