?:definition
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Compensating for the two-fold variation in X-chromosome:autosome ratios between sexes by a global inactivation of all, or most of, the genes on one of the X-chromosomes in the XX sex. [GOC:jl, GOC:mr, GOC:pr, ISBN:0140512888, PMID:11498577, PMID:20622855, Wikipedia:XY_sex-determination_system]
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