Genetic division of blood groups:
Blood groups are classified into four groups (A - B - AB - O).
Three types of genes are called hereditary variants, which are inherited by only one pair on the ninth pair of chromosomes. These genes are symbolized by the symbols A-O-B.
Blood groups are classified into four groups (A - B - AB - O).
Three types of genes are called hereditary variants, which are inherited by only one pair on the ninth pair of chromosomes. These genes are symbolized by the symbols A-O-B.