Gene A has two alleles: one allele codes for red flower and the other allele codes for white flower. When both alleles are present, the plant has red flowers. In the scenario above, which mode of inheritance is involved with the color of the flower?

a. Pleiotropy
b. Multiple alleles
c. Sex-Linked Traits
d. Incomplete dominance
e. Epistasis
f. Codominance
g. Polygenic inheritance
h. Complete dominance