Fill in the blanks
8.______ _______is the "Father" of modern genetics, who used _______
to understand important concepts of genetics and heredity.
9. A mutation is a change in the ________ of an organism that can cause ______ but sometimes can be _______ to an organism.
11. If the gene pairs are identical, a person is called _______.
12. If the gene pairs are different, a person is called _______.