Any disease is the result of the combined action of genes and environment Classification of genetic disorders 1. Chromosome disorders 2. Single-gene disorders 3. Complex (multifactorial. polygenic) disorders: 4. Somatic cell genetic disorders: 5. Mitochondrial genetic disordersAny disease is the result of the combined action of genes and environment Classification of genetic disorders: 1. Chromosome disorders: 2. Single-gene disorders: 3. Complex (multifactorial, polygenic) disorders: 4. Somatic cell genetic disorders: 5. Mitochondrial genetic disorders: