Abstract
Summary
New additions to and further simplifications of the designations of Rh blood types, subtypes and genes are proposed in order to encourage the more general use of the Rh and Hr tests by medical men and geneticists.
Investigations on the hereditary transmission of the 8 Rh blood types in 300 families with 620 children yielded results in conformity with the theory of 6 major allelic genes.
Studies on the Hr factor; in 81 families with 126 children and on a random series of 645 Caucasians in New York City fully support the theory that factors Rh′ and Hr′ are related to each other genetically and serologically like the agglutinogens M and N.
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