In a particular type of cat, coat color follows the dominant/recessive pattern of inheritance. The allele for a brown coat (B) is dominant to the allele for a white coat (b). One of Mariam's cats is homozygous dominant (BB) and the other cat is heterozygous (Bb). Which of the following is true about Mariam's cats? A. They have different genotypes but the same phenotype. B. They have different genotypes and different phenotype. C. They have the same genotype and the same phenotype. D. They have the same genotype but different phenotype.