B. Patterns of inheritance within pedigrees Autosomal dominant Penetrance and expressivity Autosomal recessive Consanguinity and inbreeding Co-dominant Incompletely dominant X-inked dominant X-linked recessive Y-linkedB. Patterns of inheritance within pedigrees Autosomal dominant Penetrance and expressivity Autosomal recessive Consanguinity and inbreeding Co-dominant Incompletely dominant X-linked dominant X-linked recessive Y-linked