Which older adult is LEAST likely to say, "I love being old"?

Tomas is beginning his first year of college. As one of his goals is to meet people and make new friends in his classes, Tomas would be well-advised to ________

a) spend as much time as possible interacting with the instructor b) sit between other students in his classes whenever possible c) sit in the back of the room so he can take notes quietly during class d) sit at the front of the room and on the end of a row

What is true of genetic mutations?

a. They typically lead to disease. b. They are a rare occurrence. c. They typically cause no phenotypical change. d. They generally lead to a survival advantage.