大学学生的性别认同和性取向的变化
Tomoko Yoshida1, Keiko Matsubara1, Hiroko Ogata-Kawata2
1Department of Molecular Endocrinology, National Research Institute for Child Health and Development, Tokyo, 157-8535, Japan.
Sexual medicine
|November 15, 2023
概括
这项研究发现大学生在性别认同和性取向方面存在显著差异. 遗传分析显示,TDRP基因中的罕见变异和其他变异可能与这些变异有关.
科学领域:
- 遗传学 是一个遗传学.
- 人类的性行为.
- 发展心理学 发展心理学
背景情况:
- 非典型的性别认同和性取向发生在一般人口中很小的百分比.
- 以前的研究表明,性别认同和性取向存在差异.
研究的目的:
- 探索日本大学生之间的性别认同和性取向的变化.
- 确定导致这些变异的潜在遗传因素.
主要方法:
- 在736名大学生中使用自我评估问卷对性别认同和性取向进行定量评估.
- 基因分析,包括雄激素受体 (AR) 基因重复数分析和基于外体的罕见变异关联测试 (SKAT-O),对80名选定参与者进行.
- 将遗传发现与日本参考数据和对照样本进行比较.
主要成果:
- 性别认同和性取向得分显示了广泛的分布,少数参与者报告了完全的性别一致性和独特的异性取向.
- 在性别特征和AR基因重复数量之间没有发现任何关联.
- 与对照组相比,TDRP基因和其他三个基因中的罕见有害变异在性别一致性较低和/或性取向异常的参与者中更为普遍.
结论:
- 性别最好被理解为一种表型连续性,而不是二进制特征.
- 在大学生中存在性别认同和性取向的显著差异.
- 遗传变异,特别是像TDRP这样的基因,可能在性别多样性中发挥作用.
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