When a father says to his son, "you can no longer see your cousin lana. you're spending too much time with her; it's not healthy. i want you to go to college and meet some new young women. maybe you'll find someone new who is interested in you," he is conveying the idea that the son must marry outside of the family, which is the concept of

Which of the following statements concerning cancer and mutations is correct? a: cancer can only occur with a mutation in a somatic cell. b: usually, multiple mutations are required in different genes to cause cancer. c: none of the other answer options is correct. d: cancer can only occur with a mutation in a germ cell. e: usually, a single mutation is all that is required to cause cancer.