inherit - v. to have (a characteristic, disease, etc.) because of the genes that you get from your parents when you are born

literally - adv. a way that uses the ordinary and usual meaning of a word

potential - n. capable of becoming real

essentially - adv. used to strengthen the basic nature of something

era - n. a period of time that is associated with a particular quality, event, person, etc.

mutation - n. a change in the genes of a plant or animal that causes physical characteristics that are different from what is normal

vision - n. the ability to see : sight or eyesight