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Sex chromosomes

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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Sex chromosomes are the chromosomes involved in detemination of sex.

There are two sex chromosomes in each somatic cell. Males have the chromosomal complement X, Y. Female somatic cells have the form X,X.

Each gamete has only one chromosome: X or Y forms for males; X only for females.

Sex chromosomes should be contrasted with autosomes.

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