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XXX chromosomeIn 1993, the consequences of a study by Hamer and his team showed that men with sure genes were more prone to be homosexual. These genes were observed on the X chromosome, especially the gene Xq28. Previous analysis had pointed to environmental elements as the cause of homosexuality, but Hamer's findings suggested that homosexuality was also genetically decided. This led scientists to look extra into the organic mechanisms of homosexuality. Researchers studied DNA samples from members and their loved ones who were genetically related to them. These samples were then analysed for twenty-two X-linked genetic markers. Genetic markers are sequences in DNA that may be easily identified. This method is known as DNA linkage. This method is used to verify which inherited genes are common to a few people. The study also found that the LOD (logarithm of odds) scores of these markers were intently related. This suggests that the markers are inherited in clusters.
02.04.2023
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