Complex (polygenic) diseases

Key term for OCR GCSE Biology B, used in Gene Technology Applications.

Definition

Multifactorial diseases caused by the interaction of multiple genes alongside environmental and lifestyle factors.

Exam Context

Complex (polygenic) diseases appears in OCR GCSE Biology B revision content for Genetics and the Genome, especially Gene Technology Applications and Genetic Testing and Medicine.

Genetics and the Genome Gene Technology Applications Genetic Testing and Medicine

Found in Revision Notes

Genetics and the Genome

Genetic Testing and Medicine

Gene Technology Applications • Genetic Testing and Medicine

Revise note

Related Key Terms

Amniocentesis Carrier Carrier screening Chorionic Villus Sampling (CVS)

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Disease-linked alleles

Efficacy

False negative

Genetic counseling