Women have a homologous pair of X sex chromosomes (XX), while men have a mismatched pair consisting of one normal-sized X and a short Y chromosome (XY).
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Women have a homologous pair of X sex chromosomes (XX), while men have a mismatched pair consisting of one normal-sized X and a short Y chromosome (XY).
The characteristic sex chromosome composition for women and men is as follows:
Women: Women have a homologous pair of X chromosomes. Therefore, the sex chromosome composition for women is XX.
Men: Men have a mismatched pair consisting of one X chromosome and one Y chromosome. The sex chromosome composition for men is XY.
In summary, the presence of two X chromosomes (XX) is a defining characteristic of the female sex, while the presence of one X and one Y chromosome (XY) is a defining characteristic of the male sex. The combination of these sex chromosomes determines the biological sex of an individual and influences the development of sexual characteristics.