Context: In a group of cucumber plants, some individuals have dull fruit and others have glossy fruit. In this group, the gene for the fruit sheen trait has two alleles. The allele for dull fruit (F) is dominant over the allele for glossy fruit (f).
This Punnett square shows a cross between two cucumber plants.
What is the probability that a cucumber plant produced by this cross will be heterozygous for the fruit sheen gene?
A. 4/4
B. 1/4
C. 3/4
D. 0/4
E. 2/4
Select the correct answer from the given choices and respond with the letter of the chosen option.

D