Question

5. Jessica is blood type A and her husband Graham is blood type O . She is worried because they are pregnant and their future child has a rare disorder which will require him to need regular blood transfusions. Jessica worries that if their son ends up with type O blood, like his father, it will be hard to
get the necessary regular blood transfusions because people with O blood can only accept O blood. What is the likelyhood of their child having blood type O? Use Punnett squares to show all possibilities. % chance of their child having Type O blood. The answer should just be a %

Answer 1

Jessica could be blood type AO or AA
her husband has to be OO

if jessica is AO then the chance is 50%
if jessica is AA then the chance is 0%