Based on the ways cells divide, Hayflick places the upper limit of the human life-span potential at about ________ years of age.
A) 90 to 100
B) 100 to 110
C) 120 to 125
D) 110 to 119

Question

Quizplus · Accepted Answer

Hayflick's research suggests that the maximum number of times a human cell can divide is about 50, which would correspond to about 120 to 125 years of age. Therefore, choice C is the best answer. Choices A, B, and D are all below or above the upper limit proposed by Hayflick's research.

Based on the Ways Cells Divide, Hayflick Places the Upper