Traditional patterns of inheritance Non-traditional patterns of inheritance
1. Autosomal dominant inheritance 1. Inheritance of mitochondrial disorders
2. Autosomal recessive inheritance 2. Inheritance of chromosomal abnormalities
3. X-linked dominant inheritance 3. Inheritance of multifactorial diseases
4. X-linked recessive inheritance 4. Inheritance of triplet repeat expansion disorders
5. Y-linked inheritance 5. Uniparentaldisomy
  6. Inheritance of microdeletion/microduplication defects
  7. Genetic imprinting
  8. Gonadal Mosaicism
Table 5: Patterns of inheritance of genetic disorders.