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