Context: In a group of chickens, some individuals have white legs and others have yellow legs. In this group, the gene for the leg color trait has two alleles. The allele for yellow legs (l) is recessive to the allele for white legs (L).
This Punnett square shows a cross between two chickens.
What is the probability that a chicken produced by this cross will be heterozygous for the leg color gene?
A. 2/4
B. 0/4
C. 4/4
D. 3/4
E. 1/4
Answer with the option's letter from the given choices directly.
Answer: A