What Evidence Supports the Idea That Some Nuclei Are Totipotent

question 17

Multiple Choice

What evidence supports the idea that some nuclei are totipotent?

• A) Nuclei taken from the cells of an embryonic frog can direct a frog egg to develop into a tadpole.
• B) Nuclei taken from the cells of a frog embryo can direct any amphibian egg to develop into a tadpole.
• C) Nuclei taken from a different species can direct a tadpole egg to develop into a normal tadpole.
• D) Some cells are capable of undergoing unlimited cell cycles.
• E) Some cells are capable of arresting their cell cycle at will.

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