人与人不同是因为基因不同,双胞胎的基因完全相同么,如果有细微的差别,是不是大部分相同呢?从基因上分析,是如何产生双胞胎的呢?
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 15:23:17
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