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
Homeobox genes are a group of related genes that control the body plan of an embryo along the head-tail axis. They play a crucial role in determining where certain anatomical structures (like limbs, wings, and antennae) will develop.
Related terms
Hox Genes: These are a type of homeobox gene that specify regions of the body plan within an embryo from head to tail.
Morphogenesis: This is the biological process that causes an organism's shape to develop. It's guided by signals from homeobox genes.
Embryonic Development: The process by which an embryo forms and develops into a fetus. Homeobox genes play key roles in this process.