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生物通
2月
人类手指长度异速生长效应对指长比(2D:4D)性别二态性的影响机制研究
来自土耳其的研究团队为探究手指长度异速生长(allometry)对指长比性别差异的影响,测量了500名成人(男女各半)双手第2-5指长度,通过ANCOVA和回归分析发现:反映产前类固醇暴露的2D:4D比值性别差异不受异速生长影响,而2D:5D、3D:5D等比值则存在显著异速生长效应 ...
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