Gay on genes

Last Updated: Saturday 04 July 2015

Researchers have finally brought the controversy around 'gay gene' theory to an end. A study conducted on gay siblings revealed the existence of genetic material on an X-chromosome segment which may be responsible for homosexual preference in males, though not so in females. Dean Hamer and his colleagues at the National Cancer Institute, Washington, took blood samples of homosexual and heterosexual siblings for DNA comparison. The fact that gay men had more gay relatives on the maternal side heightened the possiblity ofX-chromosomes carrying the gay gene.

Subscribe to Weekly Newsletter :

Comments are moderated and will be published only after the site moderator’s approval. Please use a genuine email ID and provide your name. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition.