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The Minus‐Minus Phenotype in the Kidd System
Author(s) -
Day Dorothy,
Perkins Herbert A.,
Sams Bruce
Publication year - 1965
Publication title -
transfusion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.045
H-Index - 132
eISSN - 1537-2995
pISSN - 0041-1132
DOI - 10.1111/j.1537-2995.1965.tb01178.x
Subject(s) - allele , phenotype , biology , genetics , blood transfusion , transfusion reaction , gene , immunology , microbiology and biotechnology
A delayed hemolytic reaction following transfusion occurred in a 23‐year‐old Chinese mother of six. Her blood was Jk(a—b—), and her serum contained a cross‐reacting anti‐Jk a Jk b as well as a separable anti‐Jk a . Her husband and children were all Jk(a—b+). Although genetic transmission of Jk(a—b—) blood has not been proven as yet, it appears most probably to be the homozygous expression of a third allele or of gene deletion. To date, all instances of this type of blood have been found in populations of Asian origin.