Hox gene
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Hox genes, a subset of homeobox genes, are a group of related genes that specify regions of the body plan of an embryo along the head-tail axis of animals. Hox proteins encode and specify the characte
Wild type (left), Antennapedia mutant (right)
Hox genes in various species, using a sequence grouping.
Animal
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Animals are multicellular, eukaryotic organisms belonging to the biological kingdom Animalia. Animals consume organic material, breathe oxygen, have muscle cells, can reproduce sexually, and grow from
Hox gene
…motif, are found in most eukaryotes. The Hox genes, being a subset of homeobox genes, arose more recently in evolution within the animal kingdom or Metazoa. Within the animal kingdom, Hox genes are present across the bilateria (animals with a clear head-to-tail axis), and have also been found in Cnidaria…
Sexual reproduction is nearly universal in animals, such as these dragonflies.
Predators, such as this ultramarine flycatcher (Ficedula superciliaris), feed on other animals.
Hydrothermal vent mussels and shrimps
The blue whale is the largest animal that has ever lived; it can be up to 33.6 metres (110 ft) long.