The body retains stems cells after embryonic development is complete because
A)stem cells give rise to gametes throughout the life of a mature male.
B)stem cells are responsible for the production of the various cells in our blood, which can be easily lost as a result of injury.
C)in many tissues, cells must be regenerated and replaced as they wear out.
D)all of the above

Question

Quizplus · Accepted Answer

A) Stem cells do give rise to gametes, but this is not the only reason why the body retains stem cells.
B) Stem cells do produce cells in our blood, which can be lost due to injury, but this is not the only reason why the body retains stem cells.
C) In many tissues, cells must be regenerated and replaced as they wear out, which is one of the reasons why the body retains stem cells. Thus, all of the choices are correct, making D the best choice.

The Body Retains Stems Cells After Embryonic Development Is Complete