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heterochromosome Definition

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heterochromosome
noun(het-ero-chro-mo-some)
sex chromosome
heterochromosome
noun(het-ero-chro-mo-some)
a chromosome (as the X chromosome or the Y chromosome in humans) of a sexually reproducing eukaryotic organism that is directly concerned with the inheritance of sex, that contains the genes governing the inheritance of various sex-linked and sex-limited characteristics, and that is represented differently in the two sexes either by being present in one and not the other or by being present a different number of times in one sex compared to the other —called also heterochromosome

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