研究人员绘制印度基因组图,寻找古老的祖先来源和遗传病的高风险。 Researchers map Indian genomes, finding ancient ancestry sources and high risks of genetic disorders.

研究人员绘制了2,762名印度人的基因组图,确定了三个主要祖先来源:古代狩猎采集者、伊朗农民和欧亚牧民。 Researchers mapped the genomes of 2,762 Indians, identifying three main ancestry sources: ancient hunter-gatherers, Iranian farmers, and Eurasian pastoralists. 这项研究强调了由于特定社区的婚姻而导致衰退性疾病的高风险. The study highlights a high risk of recessive disorders due to community-specific marriages. 它还发现多达1.5%的基因组与尼安德特人或杰尼索夫人相关联,这表明了适应优势。 It also found up to 1.5% of the genome linked to Neanderthals or Denisovans, suggesting adaptive advantages. 在相关研究中,发现斯里兰卡僧伽罗人从南印度迁移,与当地Adivasi人口混杂在一起,这与以前关于印度北部起源的理论相反。 In related research, the Sinhalese of Sri Lanka were found to have migrated from South India and mixed with local Adivasi populations, contradicting earlier theories of a Northern Indian origin.