What do HOX genes determine?

Answer 1

They code a body plan (placement of parts)

Genes code everything that is created in the body. Homeobox genes code for the creation of body parts, HOX genes are the specific genes that say where everything should go. So you have normal genes that would say make a leg and all that entails, or make a eye and all that entails. The HOX genes say put the eyes at the head end, and the legs lower down.

Humans have 39, but the number varies from species to species. And this gene group is highly regulated because if it wasn't: imagine almost any animal born with the parts in another order.

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Answer 2

Vivian Aronson

HOX genes determine the body plan of an organism, including the segmentation of the body and the development of specific body structures along the anterior-posterior axis during embryonic development.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.