This book presents a simple description of the biological mechanisms that are involved in the determination of sexual orientation in animals and...
- A STUDY HAS FOUND POSSIBLE CLUES ABOUT GENETIC DIFFERENCES BETWEEN HETEROSEXUAL AND HOMOSEXUAL...
- CROSS-CULTURAL EVIDENCE FOR THE GENETICS OF HOMOSEXUALITY. MEXICO'S THIRD GENDER SHEDS LIGHT...
- BIOLOGY OF HOMOSEXUALITY - OXFORD SCHOLARSHIP
- HOMOSEXUALITY CAN REFER TO BOTH ATTRACTION OR SEXUAL BEHAVIOR BETWEEN ALTHOUGH A NUMBER OF...
The relationship between biology and sexual orientation is a subject of research. While scientists do not advised of the exact cause of sexual orientation , they theorize that a combine of genetic, hormonal, and social factors determine it.
Biological theories for explaining the causes of propagative orientation are favored during scientists  and suggest a complex interplay of genetic factors, the ancient uterine environment and wisdom structure. A number of twin studies have attempted to compare the attendant on importance of genetics and environment in the judgement of sexual orientation. Self reported zygosity , erotic attraction, fantasy and behaviours were assessed by questionnaire and zygosity was serologically checked when in conviction.
Other researchers support biological causes for both men and women's sexual preparation. A study of all adult twins in Sweden more than 7, twins  found that same-sex behavior was explained alongside both heritable factors and individual-specific environmental sources such as prenatal environment, endure with illness and trauma, as well as break through groups, and sexual experiences , while influences of shared-environment variables such as familial environment and group attitudes had a weaker, but significant effect.
Personality and Social Psychology Bulletin. The research points to childhood separation anxiety as a culturally universal correlate of androphilia in men. They think Neuroligin 4 Y-linked protein is responsible for a later son being gay. American Journal of Sociology. Users without a subscription are not able to see the full content.
- The reasons behind why people are gay, straight or bisexual have long been a source of public fascination.
- The biology of homosexuality: sexual orientation or sexual preference?
- J Homosex. ;28() The biology of homosexuality: sexual orientation or sexual preference? De Cecco JP(1),...
- I n a recent Guardian article , Simon Copland argued that it is...
- Biology and sexual orientation - Wikipedia
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