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AP Biology/Unit 4: Cell Communication and Cell Cycle
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Hox Gene Expression Pathway
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A researcher is studying the expression of Hox genes in a developing vertebrate embryo. Which signal transduction pathway is MOST directly involved in regulating the spatial expression patterns of Hox genes during embryonic development?

A

Cyclic AMP signaling pathway

B

Retinoic acid signaling pathway

C

Insulin receptor pathway

D

Calcium-dependent protein kinase pathway

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