When a Researcher Transplanted the Nucleus of an Intestinal Cell

question 85

Multiple Choice

When a researcher transplanted the nucleus of an intestinal cell from a tadpole into an egg cell whose nucleus had been destroyed, the egg developed into a normal frog. This illustrates that

• A) scientists can clone a human by putting one of his or her nuclei into an egg cell.
• B) the homeobox genes in a transplanted nucleus undergo mutation.
• C) genes are gained during the process of differentiation.
• D) each cell of an organism has all the genes needed for development.
• E) a nucleus that is removed from its normal location is influenced by adjoining cells.

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Definitions:

Hormone Production

The process of creating and releasing chemicals by the endocrine glands into the bloodstream to regulate various bodily functions.

Calories

A unit of energy used to measure the amount of energy food provides to the body.

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A psychological disorder characterized by obsessive thoughts about not being muscular or lean enough, often leading to excessive exercising and body image issues.

Obsessive Belief

A persistent, intrusive thought or idea that significantly impacts an individual's ability to function.