Organisms of many species are specialized into male and female varieties, each known as a sex, with some falling in between being intersex. Sexual reproduction

A male organism is the physiological sex that produces sperm. Each spermaton can fuse with a larger female gamete, or ovum, in the process of fertilization.

According to a new study, the eye movements of female peacocks during courtship were mainly concentrated on the male’s legs and lower feathers, rather than the tall

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The Double Standard: , Female on Male trope as used in popular culture. A Sub-Trope of Double Standard. is a special kind of evil, beyond kicking …

Throughout this discussion, please bear in mind the obvious: there are only two possible outcomes of any sexing technique: male or female, so the probability of any

Of course, there’s isn’t a simple answer to that question. While some brain features are more common in one sex than the other, and some are typically found in both

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THE MAIN PARTS OF. SEX & CHARACTER. BY. OTTO WEININGER. Selected by Kevin Solway from the 1906 English Edition

A typical male has XY chromosomes, and a typical female has XX. But owing to genetic variation or chance events in development, some people do not fit neatly into