A sex-linked blood group.
D001789:Blood Group Antigens / Q000235:genetics*; D006801:Humans; D007713:Klinefelter Syndrome / Q000235:genetics*; D012723:Sex; D014424:Turner Syndrome / Q000235:genetics*
D001789:Blood Group Antigens
BLOOD GROUPS/genetics; KLINEFELTER'S SYNDROME/genetics; SEX; TURNER'S SYNDROME/genetics