Hox genes are a group of genes that determine the basic structure and orientation of animals.
Animals which have ranging which is from corals to monkeys they have presence of Hox genes in common.
Hox genes are examples of homeotic gene. They are group of genes which have genes which are related and they do control the plan of the body.
If the segments of embryo are being formed then the determinants of wings, antennae and legs is the Hox protein.