Answer:
Explanation:
1. True, all cells in one body do have the same genes. AN example is keratin or collagen. Collagen is produced in the skin, is you have brown hair it is expressed but if you have black hair it is repressed.
2. I believe this one is true I am not sure. Every cell has a different duty but the same genetic instructions. Different types of genes can be turned off and on by different cells. The liver cells are different from the nerve cells but still have the same DNA in your body.
3. True! An example is when you are young you are growing but those genes stop when you are an adult and stop growing taller.
