While observing a litter of puppies, Amy and Jose noticed that the puppies had a variety of black and white coat colors. They knew that the puppies had the same parents and that all of the puppies were from the same litter. Which of the following best explains why these puppies had different coat colors?

Explanation:

when dogs breed the mother and father each randomly contribute one allele from each locus giving each allele 50% chance of being passed down to the pups. one of the alleles at each locus is dominant and determines the traits like coat color

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it enhances antibody production by t cells of the adaptive immune system.

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explanation: