The presence or absence of freckles is determined by one gen…

The presence or absence of freckles is determined by one gene. The allele for freckles (F) is dominant and the allele for the absence of freckles (f) is recessive. A couple has several children, all of the children have freckles because their parents’ genotypes can only produce children with freckles. Which of these are most likely the genotypes of the two parents?

Female cattle that have white coats are crossed with male ca…

Female cattle that have white coats are crossed with male cattle that have red coats. Both male and female offspring have roan coats, which are coats with both red and white hairs. Which of the following best describes the genetics of coat color in the cattle?