John Gurdon studied toitpotency [toh-TIH-path-ten-see] by implanting a nucleus from a fully-differentiated frog cell into enucleated egg cells. Which of the following best describes what he observed about the egg?

W) It continued to divide, but stopped development prior to forming a tadpole

X) It continued to divide and developed into a tadpole as normal

Y) It did not begin to divide after nucleation

Z) It continued to divide, but skipped the tadpole stage and formed a frog
W) IT CONTINUED TO DIVIDE, BUT STOPPED DEVELOPMENT PRIOR TO FORMING A TADPOLE