In many species, a prominent feature of sexual differentiation is the presence of a sexually dimorphic nucleus SDN in the preoptic hypothalamus, which is larger in males than in females. A study, Garcia-Falgueras and Swaab asserted that "the fetal brain develops during the intrauterine period in the male direction through a direct action of testosterone on the developing nerve cells, or in the female direction through the absence of this hormone surge. InNature published an article with a genome wide association study on male sexual orientation. Limiting global warming to 1. However, it is not true.
J Pers Soc Psychol.
Biometric modeling revealed that, in men, genetic effects explained. Collectively, the DNA differences explained only 8 to 12 percent of the heritability of having same-sex partners. Is a long-dormant Russian volcano waking up? Advocate Poll Results.
What does 2D: