Which of the Following Is Responsible for the Webbed Feet

question 1

Multiple Choice

Which of the following is responsible for the webbed feet of ducks?

• A) The lack of expression of the Gremlin gene in the webbing cells
• B) The expression of the Gremlin gene in the webbing cells
• C) An altered temporal expression pattern of the BMP4 gene in the webbing cells
• D) An altered spatial expression pattern of the BMP4 gene in the webbing cells
• E) The lack of expression of the BMP4 gene in the webbing cells

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Definitions:

Causation

The relationship between cause and effect where one event or action directly leads to another event or action as a result.

Macroeconomics

The branch of economics dealing with the structure, performance, behavior, and decision-making of an economy as a whole, rather than individual markets.

Microeconomics

The branch of economics that studies the behavior of individuals and firms in making decisions regarding the allocation of scarce resources.