这 血缘 是两个人之间的血缘关系(亲属关系)的程度。血缘关系有不同程度的。它是遗传病的危险因素,特别是 常染色体隐性遗传 (¿何时怀疑新陈代谢,最重要的是,那些有 治愈性治疗?).

近交系数。

存在近亲繁殖系数 相关系数),它允许根据血统计算纯合性概率,或从纯合性程度推断血缘关系的存在,这可以在 SNP 阵列(纯合性运行)中识别。这可能会导致乱伦和虐待关系的暴露。

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1.
Schaaf C、Scott D、Wiszniewska J、Beaudet A。通过基于 SNP 的 DNA 微阵列识别乱伦父母关系。柳叶刀[互联网]。 2011 年 [引用于 2021 年 4 月 18 日];377(9765):555–6。可从: https://linkinghub.elsevier.com/retrieve/pii/S0140673611602018
血缘关系较多的国家。

在那些实行血缘关系的国家,血缘关系更为严重。 近亲繁殖。结果是纯合性增加,从而导致疾病患病率更高。 常染色体隐性遗传.

纯合性区域 (ROH) 是血缘关系的遗传结果,可以使用 SNP 阵列等遗传技术进行研究。 近交系数与基因组中纯合区的数量直接相关。

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1.
Sund KL、Zimmerman SL、Thomas C、Mitchell AL、Prada CE、Grote L 等。通过 SNP 微阵列分析确定的纯合性区域有助于诊断常染色体隐性遗传病,并顺便检测父母的血缘关系。基因医学[互联网]。 2013 年 1 月[引用于 2016 年 9 月 29 日];15(1):70–8。可从: http://www.nature.com/gim/journal/v15/n1/full/gim201294a.html
欧洲王室的血缘关系。
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Alvarez G、Ceballos FC、Quinteiro C。近亲繁殖在欧洲皇室王朝灭亡中的作用。鲍切特·M,编辑。 PLOS One [互联网]。 2009 年 4 月 15 日 [引用于 2026 年 3 月 22 日];4(4):e5174。可从: https://dx.plos.org/10.1371/journal.pone.0005174