Context: In a group of guinea pigs, some individuals have brown eyes and others have red eyes. In this group, the gene for the eye color trait has two alleles. The allele for brown eyes (E) is dominant over the allele for red eyes (e).
This Punnett square shows a cross between two guinea pigs.
What is the expected ratio of offspring with brown eyes to offspring with red eyes? Choose the most likely ratio.
A. 3:1
B. 1:3
C. 2:2
D. 4:0
E. 0:4
From the given choices, select the correct answer and reply with the letter of the chosen option.

D