©2018 WebMD, Inc. All rights reserved. eMedicineHealth does not provide medical advice, diagnosis or treatment. See Additional Information.

Types and List of Examples of Genetic (Hereditary) Diseases Topic Guide

Genetic Diseases: 4 Types and List of 39 Examples Genetic Diseases: 4 Types and List of 39 Examples: Genetic diseases and disorders are caused by a change in the DNA sequence. The 4 types of genetic diseases are; 1) single-gene inheritance (monogenic disorder); 2) mutations in multiple genes (multifactorial inheritance disorder; 3) damage to chromosomes or chromosome abnormalities, and 4) mitochondrial genetic inheritance disorders caused by gene mutations and environmental factors. A list of examples of genetic diseases or disorders include cystic fibrosis, sickle-cell anemia, Maple syrup urine disease, and Down syndrome.

Genetic Diseases: 4 Types and List of 39 Examples Topic Guide - Visuals