An example of this would be eye color. You can put contacts in changing the color but not necessarily changing the genes.
it is an organ. the main organ in the body. I wish your question was a little more clear, like multiple choice would be very helpful to what my choices are.
Answer:
d. cells
cardiac tissue are made up of cells.
<span>The significance of chitin in arthropods is Chitin is a structural carbohydrate that forms their exoskeleton. </span>
