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Definition of Meiotic drive

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

Meiotic drive: Preferential selection during meiosis (germ cell production). In meiotic drive there is preferential production of certain gametes. This alters the segregation of genes from the Mendelian expectations. Meiotic drive is a mechanism for transmission distortion.