Genetic Disease Underlying Cause
There are three types of genetic disease:
- Single gene disorders:
- The disease is caused by a single gene on a chromosome that is abnormal.
- Examples include: cystic fibrosis, Huntington's disease, Marfan syndrome, and sickle cell anemia.
- Polygenic disorders:
- The disease is caused by multiple genes on one or more chromosomes that are abnormal.
- Examples include: autism, heart disease, hypertension, diabetes, cleft palate, and some cancers.
- Structural abnormalities of the chromosomes:
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