sex chromosomes

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Definitions from WordNet

Noun sex chromosome has 1 sense

sex chromosome - (genetics) a chromosome that determines the sex of an individual; "mammals normally have two sex chromosomes"
--₁ is a kind of chromosome
--₁ has particulars:
X chromosome; XX; XXX; XXY; XY; XYY; Y chromosome

Definitions from the Web

Sex Chromosomes

Noun:

1. A pair of chromosomes that determine the sex of an individual, typically designated as X and Y in mammals.

Example sentence: The presence of two X chromosomes determines female sex, while the presence of one X and one Y chromosome determines male sex.

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