A medical geneticist is a physician who treats hereditary disorders and diagnoses diseases that are caused by genetic defects. Medical geneticists may provide patients with therapeutic interventions and specialized counseling. They also educate patients and their families on their diagnoses and how to cope with their genetic disorder. Medical geneticists conduct cytogenetic, radiologic, and biochemical testing and scientific research in the field.

Medical geneticists house several subspecialties within the field, including the following:

• Biochemical genetics
• Clinical cytogenetics
• Clinical genetics
• Molecular genetic pathology

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