Sexual Differentiation of Sex and Courtship Behaviors in Animals
Many behaviors in animals are sexually differentiated and produced preferentially or exclusively by one sex. Estrogens are often unable to activate female-typical behaviors (
e.g. receptivity) in males, and vice versa, testosterone does not reliably activate male-typical copulatory behavior in females even after its conversion to estradiol.
Many people believe that sexual orientation (homosexuality vs. heterosexuality) is determined by education and social constraints. There are, however, a large number of studies indicating that prenatal factors have an important influence on this critical ...
www.ncbi.nlm.nih.gov
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