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Inbreeding depression

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 exam•Written by the Fiveable Content Team • Last updated August 2025

Definition

Reduced fitness and increased expression of deleterious recessive alleles in offspring resulting from mating between closely related individuals in small populations.

AP course connection

Topic 2.1: 2.1 Introduction to Biodiversity

Unit 2

Keep studying

Review this concept in 2.1 Introduction to BiodiversityAP Environmental Science course hub

Inbreeding depression cheat sheet for homework

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