Answer:
Each cell has the same DNA, so DNA does not play a role in differentiation.
Step-by-step explanation:
- All the parts of a person's body has same DNA and same genes.
- It is the function of RNA to carry genetic code from DNA and function protein synthesis.
- Although the different cells and tissue have different proteins their DNA is same.
- The genetic instructions carried by the DNA is RNA and RNA allows cell to create amino acid which is used in gene synthesis, expression and regulation.