title: Yq deletion (q11.21) in a H-Y+ azoospermic male.
abstract: A large deletion of the long arm (q11.21) of chromosome Y without mosaicism was found in a 28-year-old male. The proband has a normal height and normal male habitus but with azoospermia. The occurrence of H-Y+ level, azoospermia and loss of a great portion of euchromatic Yq in the proband is analyzed.
mesh_terms: D000328:Adult; D002871:Chromosome Banding; D002872:Chromosome Deletion; D006182:H-Y Antigen / Q000032:analysis; D006801:Humans; D007248:Infertility, Male / Q000235:genetics*; D008297:Male; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014998:Y Chromosome
chemical_list: D006182:H-Y Antigen