Single-gene disorders occur when there is a mutation in only 1 gene. Cystic fibrosis is an example of a single-gene disorder.
A chromosomal disorder can happen when there is an extra or missing
Complex disorders happen when there is a change, or mutation, in more than 1 gene. Type 2 diabetes is an example of a complex disorder.
Mutations within the genes can lead to genetic disease. Let’s learn more about how gene therapy works in the body.