染色体变异发生率不低,适者生存是问题所在,有染色体变异不能正常传宗接代。
唐氏綜合症的機率约千分之一
本帖于 2015-10-22 09:55:25 时间, 由普通用户 fourwaves 编辑
染色体变异发生率不低,适者生存是问题所在,有染色体变异不能正常传宗接代。
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