🧬ap biology review

Homologous Chromosomes

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

Homologous chromosomes are pairs of chromosomes - one from each parent - that are similar in shape, size, and gene content. They pair up during meiosis before being separated into different gametes.

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