How Genetics Determine Fur Color in Dogs

What are the possible fur color combinations when mating two dogs with red fur?

Possible Genotypes:

1. RR

2. Rr

3. rr

When mating two dogs with red fur, the possible genotypes for their offspring can be either RR, Rr, or rr. The dominant red fur allele (R) will result in red fur, while the recessive brown fur allele (r) will lead to brown fur. If both parents are homozygous for red fur (RR), all offspring will have red fur. If one parent is heterozygous (Rr) and the other is homozygous (RR), there is a 50% chance of red fur and a 50% chance of carrying the brown fur allele. If both parents are homozygous for brown fur (rr), all offspring will have brown fur.

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