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Hardy Weinberg Principle

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

The Hardy Weinberg Principle is a mathematical model that predicts the genetic makeup of a population in the absence of evolutionary forces. It states that the allele frequencies and genotype frequencies will remain constant from generation to generation if certain conditions are met.

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