Why do scientists prefer to use embryonic stem cells instead of adult skin cells
a. because embryonic cells are more abundant.
b. because adult skin cells cannot be made into stem cells
c. because embryonic cells may carry diseases
d. because adult skin cells could have abnormalities?
the answer is b., due to DNA, it is impossible for adult skin cells to replicate into another part of the body. embryonic cells, are open to form into its surrounding tissue because it lacks the DNA necessary to form a specific function.