Recombination and other chromosomal aberrations within the HL-A locus.
D000017:ABO Blood-Group System; D000483:Alleles; D002478:Cells, Cultured; D002869:Chromosome Aberrations; D000939:Epitopes; D006648:Histocompatibility; D006801:Humans; D007519:Isoantigens; D007621:Karyotyping; D008214:Lymphocytes / Q000276:immunology; D011995:Recombination, Genetic; D014314:Trisomy
D000017:ABO Blood-Group System; D000939:Epitopes; D007519:Isoantigens