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?

A person can have either straight or bent pinky finger. A wo…

A person can have either straight or bent pinky finger. A woman who is homozygous for bent pinky fingers has children with a man who has straight pinky fingers. All of their children have bent pinky fingers. The trait for bent pinky fingers is an example of a trait that is