To determine the color of a dog's fur with the genotype "aabb", we can refer to the provided Punnett square results or deduce the color based on typical outcomes of genetic inheritance.
From the Punnett Square:
- The genotype "aaBB" results in yellow.
- The genotype "aaBb" also results in yellow.
- The genotype "AAbb" results in brown.
- The genotype "Aabb" results in brown.
Given the genotype "aabb", it does not include any dominant alleles (A) and thus does not produce any black fur. The presence of the "aa" in combination with "bb" indicates that both gene effects related to the color are recessive, leading to yellow fur.
Therefore, the color of a dog’s fur with the genotype "aabb" would be yellow.
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