Descent with Modification Video Lessons

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Problem: In Spadefoot toads a change in the environment can change the developmental pathway so that the carnivore morph (form) develops rather than the omnivore morph. Which of the following best describes this process?a. The environment mutates genes leading to a genetically different formb. The environment directly alters developing cells without affecting genes in any wayc. The environment affects the expression of genes involved in development of the tadpoled. The environment results in the evolution of a new speciese. The environment creates new Hox genes

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Problem Details

In Spadefoot toads a change in the environment can change the developmental pathway so that the carnivore morph (form) develops rather than the omnivore morph. Which of the following best describes this process?

a. The environment mutates genes leading to a genetically different form

b. The environment directly alters developing cells without affecting genes in any way

c. The environment affects the expression of genes involved in development of the tadpole

d. The environment results in the evolution of a new species

e. The environment creates new Hox genes

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Our tutors rated the difficulty ofIn Spadefoot toads a change in the environment can change th...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Nelson's class at TEMPLE.