title: Y chromosome heterochromatin variation detected at prenatal diagnosis.
authors.forename: Philip D
authors.initials: PD
authors.lastname: Cotter
authors.forename: Mary E
authors.initials: ME
authors.lastname: Norton
mesh_terms: D000328:Adult; D041322:Chromosomes, Human, Y; D005260:Female; D006570:Heterochromatin / Q000235:genetics* / Q000473:pathology; D006801:Humans; D008297:Male; D009030:Mosaicism; D011247:Pregnancy; D011296:Prenatal Diagnosis
chemical_list: D006570:Heterochromatin