An antennapedia (antp) mutant in drosophila has legs in place of antennae. this is caused by Hox gene.
The Antennapedia's primary purpose is to describe the evolution of antennas. Antennapedia is expressed more strongly than usual in the mutant.
Antennapedia, also known as Antp, is a Hox gene that was first identified in the development of legs in the Drosophila insect. The second set of legs turns into ectopic antennae when this gene's regulatory region experiences loss-of-function mutations.
The ventral and peripheral neural systems, as well as various cell types in the thoracic embryonic epidermis, express antp in their nuclei.
The homeotic Antennapedia (Antp) gene is expressed in the thoracic embryonic epidermis of Drosophila melanogaster and is necessary for the correct development of the thorax and legs (Abbott and Kaufman, 1986; Carroll et al., 1986; Wirz et al., 1986).
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