The best answer for this question would be:
D. Polymerase chain reaction
<span>It is used in molecular biology in order to create small fragments of the DNA. Those copies of the DNA mimic the happenings in the cell. This chain reaction is an efficient technique to further research on crimes.</span>
Answer:
Cellular Differentiation
Explanation:
During the germinal period of prenatal development, some cells become part of the brain, some become part of the leg, some become part of the stomach, and so on. The term for this process is Cellular Differentiation