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Sex differences in human physiology are distinctions of physiological characteristics associated with either male or female humans. These differences are caused by the effects of the different sex chromosome complement in males and females, and differential exposure to gonadal sex hormones during development.
Gender-based medicine, also called "gender medicine", is the field of medicine that studies the biological and physiological differences between the human sexes and how that affects differences in disease. Traditionally, medical research has mostly been conducted using the male body as the basis for clinical studies.
The human Y chromosome showing the SRY gene which codes for a protein regulating sexual differentiation. Sexual differentiation in humans is the process of development of sex differences in humans. It is defined as the development of phenotypic structures consequent to the action of hormones produced following gonadal determination. [1]
“Gender identity is how you feel about yourself and the ways you express your gender and biological sex,” says Golob. Meanwhile, sexuality refers to who you are emotionally, physically ...
The authors differentiate between sex differences, caused by biological factors, and gender differences, which "reflect a complex interplay of psychological, environmental, cultural, and biological factors". [14] Gender identity is thus seen as a "psychological concept that refers to an individual's self-perception". [14] Other studies have ...
Grammatical gender may be based on biological sex (which is the most common basis for grammatical gender), animacy, or other features, and may be based on a combination of these classes. [171] One of the four genders of the Dyirbal language consists mainly of fruit and vegetables. [172]
The human Y-chromosome has had about 5 strata since the origin of the X and Y chromosomes about 300 Mya from a pair of autosomes. Each stratum was formed when a pseudoautosomal region (PAR) of the Y chromosome is inverted, stopping it from recombination with the X chromosome. Over time, each inverted region decays, possibly due to Muller's ratchet.
Gender identity is the personal sense of one's own gender. [1] Gender identity can correlate with a person's assigned sex or can differ from it. In most individuals, the various biological determinants of sex are congruent and consistent with the individual's gender identity. [2]