If a person needs one matching pair of genes in order to express a characteristic carried by a pair of genes, the characteristic is considered
a. recessive.
b. dominant.
c. a mutation.
d. polygenic.
Question 2
During his groundbreaking genetic work with peas, 19th-century monk Gregor Mendel found that dominant characteristics
a. were uncommon in pea plants.
b. appeared more often in later generations than opposite traits.
c. resulted in very wrinkled peas.
d. disappeared within a few generations.