The head-to-tail axis body plan of the embryo is controlled by a group of genes that are related to each other and are referred to as Hox genes. Further, the proteins synthesized by these genes, namely, Hox genes, are also responsible for the determination of the feeding appendage types in the organisms and modification of their anterior thoracic limbs. The ultra-bithorax or Ubx-AbdA Hox gene expression was compared in the four crustaceans during their embryonic development for the different thoracic segments. Further, in the diagram given below, maxillipeds are represented by the orange appendages and the legs are represented by the blue appendages.

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Chapter 34, Problem 16TYPSS

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The head-to-tail axis body plan of the embryo is controlled by a group of genes that are related to each other and are referred to as Hox genes. Further, the proteins synthesized by these genes, namely, Hox genes, are also responsible for the determination of the feeding appendage types in the organisms and modification of their anterior thoracic limbs. The ultra-bithorax or Ubx-AbdA Hox gene expression was compared in the four crustaceans during their embryonic development for the different thoracic segments. Further, in the diagram given below, maxillipeds are represented by the orange appendages and the legs are represented by the blue appendages.

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