Question

If a person with blood type A (genotype AO) and a person with blood type B (genotype BO) have children, what are the possible blood types of their offspring? (1 point)
• A and B
• A, B, and AB
O only
• A, B, AB, and O

What are the sex chromosomes of a typical human male? (1 point)
XY
• YY
XXYY
• XX

Answer 1

1) A, B, AB, and O — AO × BO can produce AO (type A), BO (type B), AB (type AB), or OO (type O).

2) XY — typical human male sex chromosomes are XY.