Development of an animal is connected to the genes that are expressed during dev
ID: 35213 • Letter: D
Question
Development of an animal is connected to the genes that are expressed during development
Development of an animal is connected to the genes that are expressed during development. What roles have been proposed for Hox genes in the evolution and morphology of animal species? Select all that apply.
a. Variation in the number of Hox genes has led to the evolution of new animal species. b. An increase in the number of Hox genes leads to an increase in the body size of an animal. c. The greater the number of Hox genes the more complex the body plan of the animal. d. The clustering of Hox genes is responsible for the evolution of vertebrae. e. Hox genes have evolved independently in many diverse lineages of animals.Explanation / Answer
The Hox genes have the given roles in the evolution and morphology of animal species:
a. Variation in the number of Hox genes has led to the evolution of new animal species.
c. The greater the number of Hox genes the more complex the body plan of the animal.
e. Hox genes have evolved independently in many diverse lineages of animals.
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