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Home Q & A Board Biology-Related Homework Help General Biology
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c-man c-man
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8 years ago
Genes in the NK4 class are involved in heart development in both vertebrates and fruit flies. They are also involved in the development of pumping organs in organisms that lack a heart, such as roundworms and cnidarians. Available information suggests that in early animals, the ancestral NK4 gene and its associated regulatory network ________.
A) evolved convergently in vertebrates and arthropods
B) evolved by duplication of the Hox cluster
C) governed the development of some fluid-filled pumping structure
D) were important in the development of the heart and blood vessels
E) did not have any function
Textbook 
Evolutionary Analysis

Evolutionary Analysis


Edition: 5th
Authors:
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gkop98gkop98
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c-man Author
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#2
8 years ago
Perfectly answered, thank you
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#3
8 years ago
Good luck on midterms
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