人类染色体上控制耳垂的基因中有耳垂由显性基因“a 控制无耳垂由隐性基因“a 控制且位于细胞内的一对染色体上.如图为不同细胞中染色体上控制 Template




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tomski人类染色体上控制耳垂的基因中有耳垂由显性基因“a 控制无耳垂由隐性基因“a 控制且位于细胞内的一对染色体上.如图为不同细胞中染色体上控制 coloring