How did all the different body types in the Cambrian arise so quickly? O Hox genes had evolved that determine and allow for the diversification of body plans. Because Hox genes hadn't evolved yet, there was a lot of flexibility in how body plans could develop. O There was a genome duplication event that led to the diversification of body plans. Enhancer driven gene expression had just evolved, which made it easier to vary body plans. Toing wheroptiones 29
How did all the different body types in the Cambrian arise so quickly? O Hox genes had evolved that determine and allow for the diversification of body plans. Because Hox genes hadn't evolved yet, there was a lot of flexibility in how body plans could develop. O There was a genome duplication event that led to the diversification of body plans. Enhancer driven gene expression had just evolved, which made it easier to vary body plans. Toing wheroptiones 29
Biology Today and Tomorrow without Physiology (MindTap Course List)
5th Edition
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Christine Evers, Lisa Starr
Chapter15: Animal Evolution
Section: Chapter Questions
Problem 4CT
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Question
![How did all the different body types in the Cambrian arise so quickly?
O Hox genes had evolved that determine and allow for the diversification of body plans.
Because Hox genes hadn't evolved yet, there was a lot of flexibility in how body plans could
develop.
O There was a genome duplication event that led to the diversification of body plans.
Enhancer driven gene expression had just evolved, which made it easier to vary body plans.
Toing wheroptiones
29](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc17013a3-4453-45fe-b72e-f8f25ee541f2%2F5a7b076a-237c-41f1-9adf-0a284a70bdd6%2F4rdlz4f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:How did all the different body types in the Cambrian arise so quickly?
O Hox genes had evolved that determine and allow for the diversification of body plans.
Because Hox genes hadn't evolved yet, there was a lot of flexibility in how body plans could
develop.
O There was a genome duplication event that led to the diversification of body plans.
Enhancer driven gene expression had just evolved, which made it easier to vary body plans.
Toing wheroptiones
29
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