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Definition of sex chromosomes

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This page has been archived and is no longer updated. Whether an animal will become a male, a female, or a hermaphrodite is determined very early in development. Scientists have worked for hundreds of years to understand the sex-determination system. For instance, in B. If the male's heat could overwhelm the female's coldness, then a male child would form. In contrast, if the female's coldness was too strong or the male's heat too weak , a female child would form.
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Sex chromosome - Wikipedia

Sex chromosome , either of a pair of chromosomes that determine whether an individual is male or female. The sex chromosomes of human beings and other mammals are designated by scientists as X and Y. In humans the sex chromosomes comprise one pair of the total of 23 pairs of chromosomes. The other 22 pairs of chromosomes are called autosomes. The X chromosome resembles a large autosomal chromosome with a long and a short arm.
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Chromosomes: Definition & Structure

To save this word, you'll need to log in. Log In Definition of sex chromosome : a chromosome that is inherited differently in the two sexes, that is concerned directly with the inheritance of sex, and that is the seat of factors governing the inheritance of various sex-linked and sex-limited characters — compare x chromosome , y chromosome First Known Use of sex chromosome , in the meaning defined above Keep scrolling for more Learn More about sex chromosome Share sex chromosome Post the Definition of sex chromosome to Facebook Share the Definition of sex chromosome on Twitter Time Traveler for sex chromosome. See more words from the same year Dictionary Entries near sex chromosome sexcentenary sex change operation sex chromatin sex chromosome sex cord sexdecillion sexdigitism. Accessed 4 January
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The two chromosomes in each body cell of a living thing that determine what sex it is. Words related to sex chromosome heterochromosome. Words nearby sex chromosome sex assignment , sex cell , sex cells , sex change , sex chromatin , sex chromosome , sex chromosome imbalance , sex chromosomes , sex crime , sex determination , sex factor. Origin of sex chromosome First recorded in — Either of a pair of chromosomes, usually designated X or Y, that combine to determine the sex and sex-linked characteristics of an individual, with XX resulting in a female and XY in a male.
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