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 recessive."
3. which physical trait is most likely to be influenced at least partly by environment?

a. height
b. hair color
c. weight
d. eye color

4. how do identical twins differ from fraternal twins?
5. why would an adopted child be a good candidate for a study of nature versus nurture?