Avatar - Matt Skallerud
Matt Skallerud
flipped into PinkieB
Many Genes Influence Same-Sex Sexuality, Not a Single ‘Gay Gene’

Many Genes Influence Same-Sex Sexuality, Not a Single ‘Gay Gene’

tumblr.com

The largest study of same-sex sexual behavior finds the genetics are complicated, and social and environmental factors are also key.

View on tumblr.com