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性别决定中的染色体机制雌雄两性的分化是生物界中最普遍现象之一:高等动植物自不待言,就是低级生物如微生物也存在着性别的问题。单就高等动物来说,两性分化在个体发育上所影响的不仅是少数或表面的性格而是大量的并涉及到内外整体的性格。而且这些性格还不单纯限于形态解剖方面,在生理和行为方面也都有明显的表现。所
The chromosomal mechanism in sex determination The differentiation of male and female sex is one of the most common phenomena in the biological world: the higher plants and animals need to be self-explanatory, that is, low-level organisms such as microbes also have gender issues. In the case of higher animals alone, sexual differentiation affects not only a few or superficial dispositions but also a large number and involves the overall internal and external personality. Moreover, these characters are not only limited to the form of anatomy, but also have obvious manifestations in both physical and behavioral aspects. By