what is difference between a man and woman?
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Sex differences in humans
Sex differences in humans have been studied in a variety of fields. Sex determination occurs solely by the presence or absence of a Y chromosome. Phenotypic sex refers to an individual's sex as determined by their internal and external genitalia, expression of secondary sex characteristics, and behavior
What differentiates a man from a woman?
Men have one X chromosome and one Y chromosome, the latter being responsible for the characteristics that make men male, including the male sexual organs and the ability to produce sperm. In contrast, women have two copies of the X chromosome.
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