Context: In a group of cockatiels, some individuals have bright orange cheeks and others have pale orange cheeks. In this group, the gene for the cheek color trait has two alleles. The allele for bright orange cheeks (R) is dominant over the allele for pale orange cheeks (r).
This Punnett square shows a cross between two cockatiels.
What is the expected ratio of offspring with bright orange cheeks to offspring with pale orange cheeks? Choose the most likely ratio.
A. 4:0
B. 1:3
C. 2:2
D. 0:4
E. 3:1
Select the correct answer from the given choices and respond with the letter of the chosen option.

E