As a child, alex was short for his age. but during his teenage years, his height increased and he surpassed most of his friends. what must have occurred to create this growth spurt? a. cells in alex’s body underwent meiosis to create new tissue. b. cells in alex’s body underwent mitosis to create new tissue. c. cells in alex’s body produced haploid cells that formed new muscle. d. cells in alex’s body produced new tissue by budding.

The correct answer is option B.

Explanation:

Mitosis can define as a type of cell division, which is the basis of the development, growth, and repairing of the damaged tissues. During this process parent cell gives rise to 2 identical daughter cells. After several mitotic division, it increases the numbers of cells which make new tissues and muscles, that is established it is responsible for the growth and development of the body.

Thus, the correct answer is an option (B).