Consider the following scenario:
In a certain dog breed, the allele B for a black coat is dominant, and the allele b for a spotted coat is recessive. What genotypes for this dog breed would lead to a spotted phenotype?
(1 point)
Responses
Bb
Bb
BB
BB
BB and bb
BB and bb
bb
The correct answer is: bb
To determine the genotypes that would lead to a spotted phenotype in this dog breed, we need to remember that the allele for a black coat (B) is dominant, and the allele for a spotted coat (b) is recessive.
Since the spotted coat is the result of having two recessive alleles (bb), the only genotype that would lead to a spotted phenotype is bb. So, the correct answer is:
- bb
To determine which genotypes would lead to a spotted phenotype in the dog breed described, we need to understand how the dominant and recessive alleles interact.
Given that the allele B for a black coat is dominant and the allele b for a spotted coat is recessive, the genotypes that would lead to a spotted phenotype are those with two recessive alleles (bb).
So, the correct answer is "bb."