The single-active-X: functional differentiation at the chromosome level.
D000483:Alleles; D000818:Animals; D002454:Cell Differentiation; D002467:Cell Nucleus; D046508:Culture Techniques; D005347:Fibroblasts / Q000196:embryology; D005796:Genes; D005954:Glucosephosphate Dehydrogenase; D006801:Humans; D012728:Sex Chromatin; D012730:Sex Chromosomes
D005954:Glucosephosphate Dehydrogenase