Andrea and Jay are a couple expecting their first child. They however both have discovered a family history of the dread disease for purple hair. This is a rare autosomal recessive trait. Both have a parent afflicted with the trait. They have come to you to determine the probability of having an affected child. a. Label the pedigree below with the genotypes of the individuals involved (you can choose which of their parents were affected).
b. Calculate the probability of Andrea and Jay having an affected child.