Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Phenotype

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Phenotype: An appearance or characteristic of an individual, which results from the interaction of the person's genetic makeup and his or her environment. By contrast, the genotype is merely the genetic constitution (genome) of an individual.

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