先天性心脏病也是一种遗传病.以下不能导致遗传病的因素是 A.含有致病基因b.蛋白质�生改变c.常染色体数目增加d.性染色体数目减�——青夏 Template




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tomski先天性心脏病也是一种遗传病.以下不能导致遗传病的因素是 a.含有致病基因b.蛋白质�生改变c.常染色体数目增加d.性染色体数目减�——青夏 coloring