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QUESTION 1: In a family the mother is blood type A, the father is blood type O and one child is blood type O. What can the blood type of a second child be?
O
A
A or O
A, B or O

QUESTION 2: In a family the mother is blood type AB and the father is blood type O. What blood types can any children NOT be?
A and B
AB and O
O
A, B or O

QUESTION 3: In a family the father is blood type B, one child is blood type B and one child is blood type A. What can the blood type of the mother be?
A
A, B or O
A, B or AB
A or AB

QUESTION 4: In a family the mother is blood type B, one child is blood type B and one child is blood type O. What can the blood type of the father be?
O
B or O
B
A, B or O

QUESTION 5: Four out of six children in a family have different blood types from each other. What are the blood types of the parents?
A and AB
AB and O
A and B
B and O

QUESTION 6: In a family the mother is blood type O and a child is blood type O. What could the blood types of a second child be?
O
O and A
O and B
O, A and B

QUESTION 7: In a family the mother is blood type AB, one child is blood type A, one child is blood type B and one child is blood type AB. What can the blood type of the father be?
A, B or AB
AB
A or B
A, B, AB or O

QUESTION 8 : In Europe what blood type is the most common?
A
B
AB
O

QUESTION 9 : In West Africa what blood type is the most common?
A
B
AB
O

QUESTION 10: A person with blood type B needs a blood donation. What blood types can this person recieve?
B
B and O
B and AB
O

QUESTION 11: A person with blood type AB wants to donate. What blood types can this person donate to?
AB
A, B and AB
A, B, AB and O
A and B

QUESTION 12: What area has the highest percentage population of Rhesus positive individuals?
Japan
China
North India
West Africa