Respuesta :
These are the Hox genes: Hoxd9,10,11,12, and 13. Leg bud development is regulated by hox genes. Hoxd9 affects the thumb, Hoxd9 and the following ten index fingers, etc. The mouse limb bud index finger develops ectopically in response to hoxd10. Because of this, the index finger forms in place of the thumb.
What are Hox genes, and what function do they serve?
The development of the embryo depends on the HOX gene family of regulatory genes, which encodes transcription factors. All metazoans have a similar genetic system for embryonic patterning because of the high level of gene conservation between species. Hox genes, which are found in humans, flies, and worms, are the principal regulators of embryonic development in all animals. Which body parts travel where is up to them. Naturally, the outcomes can be terrible if something goes wrong with these genes.
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