They have the same genotype and phenotype. They have different phenotypes and genotypes. They have the same phenotype but different genotypes. They have the same genotype but different phenotypes.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In humans, B is the allele for brown eyes and b is the allele for blue eyes. Two brothers both have brown eyes, but one of them has both the B and b alleles while the other only has B alleles. Which statement is true about the brothers?
Possibilities:
- They have the same genotype and phenotype.
- They have different phenotypes and genotypes.
- They have the same phenotype but different genotypes.
- They have the same genotype but different phenotypes.

They have the same phenotype but different genotypes.