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.

Question

Quizplus · Accepted Answer

Nuclei taken from the cells of an embryonic frog have been shown to direct a frog egg to develop into a tadpole, demonstrating that these nuclei retain the full genetic information necessary to guide the development of a complete organism, thus indicating totipotency.

What Evidence Supports the Idea That Some Nuclei Are Totipotent