1.Autosomal Dominant
Each affected person has an affected parent
Occurs in every generation.
2.Autosomal Recessive
Both parents of an affected person are carriers
Not typically seen in every generation.
3.X-linked Dominant
Females more frequently affected
Can have affected males and females in same generation.
4.X-linked Recessive
Males more frequently affected
Affected males often present in each generation
5.Mitochondrial
Can affect both males and females, but only passed on by females
Can appear in every generation