By looking at the Punnett square, the alleles of the parents are BB and Bb. So, the correct option is B.
What do you mean by Alleles?
Alleles may be defined as the ultimate combination of one or two or more alternative forms of genes.
The Punnett square which is described below clearly demonstrates the allele BB on the horizontal side, while the alleles Bb on the vertical side.
Therefore, the correct option for this question is B.
To learn more about the Punnett square, refer to the link:
https://brainly.com/question/3522181
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