Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated August 2025
Definition
Sex-linked traits are characteristics determined by genes located on the sex chromosomes. They are often seen in males because they have only one X chromosome and therefore express all of the traits it carries, even if they are recessive.