Centromeric linkage in trisomy 21.
D001789:Blood Group Antigens; D002875:Chromosomes / Q000648:ultrastructure; D002904:Chromosomes, Human, 21-22 and Y; D005260:Female; D005799:Genes, Dominant; D008040:Genetic Linkage; D006801:Humans; D008297:Male; D010641:Phenotype; D014314:Trisomy
D001789:Blood Group Antigens