Darwin used observations of homology from comparative embryology to support his hypothesis of â€œdescent with modification.â€...

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Biology

Darwin used observations of homology from comparative embryologyto support his hypothesis of â€œdescent with modification.â€ Which ofthe following observations about the role of Hox genes inthe development of insects and mammals are consistentwith Darwinâ€™s hypothesis?
Select all that apply. (Note that all of these statements aretrue, but not all of them offer support for his perspective. Youâ€™llneed to apply what you know both about Hox genes and theidea of descent with modification, to sort through them.)
A. Hox genes exist in all known animal taxa
B. Numerous duplications of Hox genes have resulted insubfunctionalization in different organisms
C. In mice, Hox genes are expressed inanterior-posterior patterns
D. Limb development in bilaterian animals is driven byHox genes (although the exact genes may differ among theseanimals)

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The correct options are b Numerous duplications of Hox genes have resulted in subfunctionalization in different organisms d Limb development in bilaterian animals is driven by Hox genes although the exact genes may differ among these individuals Explanation Descent with modification literally means that offsprings inherit See Answer

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Darwin used observations of homology from comparative embryology to support his hypothesis of â€œdescent with modification.â€...