Answer:
D. a mutation
Explanation:
This would be called a mutation because it stated above neither of it's parents have it so say for humans both parents have 2 arms which is normal. They have a child and he/she only has one arm thus mutation.
Deafness is caused due to rupturing of the eardrum
Answer:
C. Stem Cell
Explanation:
Because a specialized tissue cell is a stem cell and cells that are already specialized cannot go back to being a stem cell.
ATP, which is a storage molecule that stands for adenosine triphosphate. The body requires ATP in order to be able to perform basic functions. ATP is found in the mitochondria of cells.
