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Genetics of Ia-like Alloantigens in Chickens and Linkage with B Major Histocompatibility Complex

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Journal Immunogenetics
Date 1980 Jan 1
PMID 6932391
Citations 7
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Abstract

Two sets of backcross matings were performed to test for linkage between genes coding for the Ia-like antigens ("Ia") and the B erythrocyte antigens (Ea-B) of the chicken. Evidence is presented which indicates that the "Ia" antigens are determined by a single codominant locus and that the Ea-B and "Ia" loci are on the same chromosome. Failure to detect a single recombinant between the Ea-B and "Ia" loci out of 208 progeny suggests close linkage of the two genes with a map distance of up to about 2 centimorgans. The "Ia" genes are thus included in the B major histocompatibility complex of the chicken.

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