A mother with type B blood has two children, one with type A blood and one with the O blood. Her husband has type O blood. Which of the following could you conclude from this information?
a. The husband could not have fathered either chill
b. The husband could have fathered both child.
c. The husband must be the father of the child with type O blood and could be the father of the type A child.
d. The husband could be the father of the child with type O blood, but not the type A child.
e. Neither the mother nor the husband could be in the biological parent of the type A child.
Answer:D