In animals, one group of homeobox genes, the Hox gene family, regulates the development and location of structures such as legs and wings along the anterior-posterior axis of the body.

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Hox genes are a group of related genes that control the body plan of an embryo along the anterior-posterior axis. They play a crucial role in determining the type and location of structures such as legs, wings, and other body parts during animal development.

In Animals, One Group of Homeobox Genes, the Hox Gene