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A Malayali man with medium skin tone, of medium build, and with facial hair. A man is an adult male human. [a] [2] [3] Before adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromosome from the father.
The Descent of Man, and Selection in Relation to Sex is a book by English naturalist Charles Darwin, first published in 1871, which applies evolutionary theory to human evolution, and details his theory of sexual selection, a form of biological adaptation distinct from, yet interconnected with, natural selection.
The human brain. Differences in male and female brain size are relative to body size. [83] Early research into the differences between male and female brains showed that male brains are, on average, larger than female brains. This research was frequently cited to support the assertion that women are less intelligent than men.
The differences between males and females in the context of childhood play is linked to differences in gender roles. A research on the "acquisition of fundamental movement skills" found that even though the level of mastery for certain skills were about the same for both boys and girls, after a certain age boys have better object control skills ...
A 2008 meta-analysis published in Science using data from over 7 million students found no statistically significant differences between the mathematical capabilities of males and females. [35] A 2011 meta-analysis with 242 studies from 1990 to 2007 involving 1,286,350 people found no overall sex difference of performance in mathematics.
The Mismeasure of Man is a 1981 book by paleontologist Stephen Jay Gould.The book is both a history and critique of the statistical methods and cultural motivations underlying biological determinism, the belief that "the social and economic differences between human groups—primarily races, classes, and sexes—arise from inherited, inborn distinctions and that society, in this sense, is an ...
The relationship between biology and sexual orientation is a subject of on-going research. While scientists do not know the exact cause of sexual orientation, they theorize that it is caused by a complex interplay of genetic, hormonal, and environmental influences.
Gender essentialism is a theory which attributes distinct, intrinsic qualities to women and men. [1] [2] Based in essentialism, it holds that there are certain universal, innate, biologically (or psychologically) based features of gender that are at the root of many of the group differences observed in the behavior of men and women.