Hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan in a developing embryo. They act as switches that turn other genes on and off. Scientists have found that a mutation in a fruit fly hox gene produces flies with legs instead of antennae sticking out of their heads. Another hox gene mutation results in fruit flies with two pairs of wings instead of one pair. Hox genes affect body plans by controlling the expression of many other genes.

Question

Hox genes are regulatory genes in multicellular animals that code for transcription factors that determine the basic body plan in a developing embryo. They act as switches that turn other genes on and off. Scientists have found that a mutation in a fruit fly hox gene produces flies with legs instead of antennae sticking out of their heads. Another hox gene mutation results in fruit flies with two pairs of wings instead of one pair. Hox genes affect body plans by controlling the expression of many other genes.

Many multicellular animals have the same hox genes. Which statement is evidence for this claim?

(1 point)
Responses

The body plans of complex

Answer 1

animals are determined by hox genes.

Explanation: This statement suggests that hox genes play a role in determining the body plans of multicellular animals. If many multicellular animals have the same hox genes, it supports the claim that these genes are conserved across different species and are involved in controlling body plan development.