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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 term sex difference could then be re-defined as between-sex differences that are manifestations of a sexually dimorphic adaptation (which is how many scientists use the term), while the term gender difference could be re-defined as due to differential socialization between the sexes of a monomorphic adaptation or byproduct. [124]
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.
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
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.
The binary system has also been critiqued as scholars claim that biological sex and gender differ from one another; with sex relating to biological and chromosomal differences between males, females, and intersex people, while gender instead is a result of sociocultural socialization. [16]
Women have lighter skin than men of the same population; this has been explained by a higher need for vitamin D in females during pregnancy and lactation. [278] As there are chromosomal differences between females and males, some X and Y chromosome-related conditions and disorders only affect either men or women. [279]
The symbol of the Roman god Mars (god of war) is often used to represent the male sex. It also stands for the planet Mars and is the alchemical symbol for iron.. Male (symbol: ♂) is the sex of an organism that produces the gamete (sex cell) known as sperm, which fuses with the larger female gamete, [1] [2] [3] or ovum, in the process of fertilisation.