1. Give an example of a trait that is determined partly by an organism’s genes and partly by the organism’s environment. Give an example of a trait that is determined primarily by genes—that is, a...

1. Give an example of a trait that is determined partly by an organism’s genes and partly by the organism’s environment. Give an example of a trait that is determined primarily by genes—that is, a trait on which the environment has little effect.

2. Cancer is caused by “genes gone awry”—yet cancer is not usually an inherited genetic condition. Explain why.