Twins and sexual orientation and genes
9 girls are looking for a partner for Hustler Watch
A number of twin studies have attempted to compare the relative importance of genetics and environment in the determination of.
8 Oct For men, new research suggests that clues to sexual orientation may lie not just in In identical twins, DNA is shared and overlaps perfectly.
Identical twins have the same genes or DNA. They are nurtured in equal prenatal conditions. If homosexuality is caused by genetics or prenatal conditions and.
Biology and sexual orientation
Description:A gigantic European twin register with a projected , members is being organized, but one of the largest in use is in Australia, with more than 25, twins on the books. Women have two X chromosomes, one of which is "switched off". So showing evidence of change is not an argument against biology. One of the women had died of an AIDS-related illness. Some writers tend to wave off the scientific evidence by urging us to look to the history of sexuality or claim that homosexuality is a social construction cue Michel Foucault and the like.
User Comments 1
Post a comment
Comment: