Sexual Dimorphism

4 April 2015
Reviews study of hardships of lives of patients in mental institutions.

Sexual Dimorphism
Reproductive behaviors such as courting, mating, and parental behavior ensure a species’ survival. Although in animals these activities tend to be either distinctively male or female, humans are generally much more flexible; their high intelligence results in a much more complicated social interaction. Human sexual behavior may, however, be characterized according to the preferred partner’s gender. Recent research indicates that sexual orientation may be associated with certain neuroanatomic features. The sexual dimorphic nucleus (SDN) has been found to be larger in heterosexual males and smaller among both females and homosexual men. Moreover, this observation correlates well with certain data obtained from animal studies.

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