Meaning | (genetics) a chromosome that determines the sex of an individual. |
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Example | "mammals normally have two sex chromosomes" |
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Category | genetics, genetic science | The branch of biology that studies heredity and variation in organisms |
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Narrower | XX | (genetics) normal complement of sex chromosomes in a female |
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XXX | (genetics) abnormal complement of three X chromosomes in a female |
XXY | (genetics) abnormal complement of sex hormones in a male resulting in Klinefelter's syndrome |
XY | (genetics) normal complement of sex hormones in a male |
XYY | (genetics) abnormal complement of sex hormones in a male who has two Y chromosomes |
X chromosome | The sex chromosome that is present in both sexes |
Y chromosome | The sex chromosome that is carried by men |
Broader | chromosome | A threadlike strand of DNA in the cell nucleus that carries the genes in a linear order |
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