The relationship of genotype to phenotype is rarely as simple as the dominant and recessive patterns ... human ABO blood group system. Many blood proteins contribute to blood type (Stratton ...

The blood-clotting disorder hemophilia A is one of several single-gene diseases that exhibit an X chromosome-linked recessive pattern of inheritance ... the severity and type of disease-related ...

This rarest of blood types is defined by an unusual Rh factor ... of this condition being due to the autosomal recessive ...

A very rare type, hemophilia C, has a different inheritance pattern, affecting both men and women. Any individual can have hemophilia Estimates suggest that hemophilia emerges in approximately ...