Soil eroded by glaciers may have kick-started plate tectonics. People may have smoked marijuana in rituals 2, years ago in western China. Skip to main content. Tina Hesman Saey. Those traits would give heterosexuals a greater chance to pass the variants on to offspring, keeping those DNA differences in the gene pool. Growth Curve.
In the new study, the more exclusively homosexual partners men had, the fewer children they had; up to 80 percent fewer children than heterosexual men.
Another variant in the study is near the ORA51A gene on chromosome 11, which is involved in the ability to smell certain chemicals. This article about a lesbian, gay, bisexual, or transgender related magazine is a stub. Men in the new study who said they have had same-sex partners, tended to be more exclusively homosexual than women were, Ganna and colleagues found.
The other two influence sex partner choice for both men and women.