EntityQ61333· pop 47· linked from 1,162 articlesX chromosomeSign in to savesex chromosome present in both sexes, of species in which the male is the heterogametic sexGallery (5)Connectionschromosome, centromeric regionEntitygeneEntityCategoriesChromosomesChromosomes (human)CytogeneticsGenes on human chromosome XSex-determination systemsSexual dimorphism