Present Status of the Rh--Hr Blood Types

Rh Blood Types and Hr

Nothing in the immunological constitution of human red blood cells has grown so luxuriantly such a short time as the details of the Rh antigens (Rh 'factor', a haemagglutinogen, an antigen contained in the red blood cells). Six years ago there was one antigen, Rh, and two characters, (i) Rh positive, Rh, dominant and (w) Rh negative, rh, recessive. To-day there are three antigens and eight type...

Blood Groups, Blood Types, Rh, Hr, etc., for Clinical, Forensic and Anthropological Purposes

HEREDITY OF THE Rh BLOOD TYPES

1. The theory of six allelic genes is reviewed, using the new improved nomenclature, and data are summarized regarding the distributions of the eight Rh types among white and negro individuals in New York City. 2. Results are presented of tests for property Hr in a series of 239 white individuals and 49 negroes. Statistical analysis of these data yields results supporting Race and Taylor's hypo...

INDIVIDUAL BLOOD DIFFERENCES IN MEXICAN INDIANS, WITH SPECIAL REFERENCE TO THE Rh BLOOD TYPES AND Hr FACTOR

98 Mexican Indians were tested for the blood properties A-B-O, A(1)-A(2), M-N, P, Rh'-Rh''-Rh(0)-rh, and Hr. Of the 98 Indians, 90.8 per cent belonged to group 0, 6.1 per cent belonged to A(1), and 3.1 per cent to group B. There were 61.2 per cent of type M, 3.1 per cent of type N, and 35.7 per cent of type MN. Of the 95 Mexican Indians tested with anti-P serum, 21.1 per cent were found to lack...

Some observations on blood factors RhA, RhB and RhC of the Rh-Hr blood group system.