XG: the forgotten blood group system

Xg blood group frequencies in some further populations.

Received August 5, I966. * Caylor-Nickel Clinic and Foundation, Bluffton, Indiana. t University of Michigan, Ann Arbor, Michigan. $ Mackay Memorial Hospital, Taipei, Taiwan. § American Mission, Box I, Bahrain, Arabian Gulf. principally of Swiss extraction. The effective population size is not known, but the level of inbreeding is extremely high. The population appears to deviate from random mat...

The X-linked blood group system Xg. Tests on unrelated people and families of northern European ancestry.

The X-linked blood group system Xg was recognized in November 1961 (Mann et al, 1962). An account up to 14 July 1965 of its incidence and inheritance in people of northern European extraction tested in the Unit was published in this Journal by Noades et al (1966). This present paper brings our account up to 23 December 1969. The red cell samples came from four main sources: (1) members of labor...

The X-linked blood group system Xg tests on British, Northern American, and northern European unrelated people and families.

Comments on patients with sex chromosome aneuploidy: dermatoglyphs, parental ages, Xg a blood group.

THE Rh BLOOD GROUP SYSTEM

T he Rh blood group system is one of the most polymorphic and antigenic blood group systems. It is second only to ABO in importance in blood transfusion and is well known as a primary cause of hemolytic disease of the fetus and newborn (HDFN). The principal antigen is D, and the terms Rh positive and Rh negative refer to the presence or absence of D antigen. Caucasians of European extraction ha...