Circle the letter of the best answer to each question below.
1. Physical traits pass from one generation to the next
a. through genes.
b. because of environment.
c. according to eugenics.
d. All of the above
2. "Nature versus nurture" can also be described as
a. "heredity versus genetics."
b. "DNA versus inheritance."
c. "genes versus environment."
d. "dominant versus submissive."