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Can you tell me why the major histocompatibility complex of genes is considered to be both polygenic and polymorphic.?

1 doctor weighed in
Dr. Gurmukh Singh
Pathology

In brief: Loci and alleles

There are multiple loci for the MHC genes, three for just the MHC class I genes, this would be polygenic.
Each locus has different types of genes at the site in different people. The latter is called polymorphism. See this site for details. http://www.ncbi.nlm.nih.gov/books/NBK27156/

In brief: Loci and alleles

There are multiple loci for the MHC genes, three for just the MHC class I genes, this would be polygenic.
Each locus has different types of genes at the site in different people. The latter is called polymorphism. See this site for details. http://www.ncbi.nlm.nih.gov/books/NBK27156/
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