Answer:
For example, the typical body colour phenotype is grey. One mutant produces an ebony (shiny black) body colour. Because this allele is recessive, it is symbolized by a lower-case letter, e.
Explanation:
Genotypes of the dog color are:
BB dominant homozygous-brown phenotype
bb recessive homozygous-white phenotype
Bb heterozygous-tan phenotype
Cross between brown and pan dog would be:
P: BB x Bb
F1: BB Bb BB Bb
The ratio would be 1:1 (brown dog:pan dog).