In: Biology
Blood groups are determined by the types of proteins displayed on the surface of red blood cells. Alleles for these blood types are codominant. Blood type AB individuals display both the A protein and the B protein on their blood cells and will not produce antibodies against either A or B proteins. Blood type OO individuals do not make or display any proteins on their red blood cells.
A woman with blood type A marries a man with blood type B.
a) What are the possible genotypes of each parent?
b) What are the possible blood types of the offspring that can be produced by these parents? (attempt all possible crosses)
c) Which genotypes are not possible in the offspring?
d) Could these parents have a child with blood type O? Show the Punnett square on which you based your answer.
e) What antibodies does the man with type B produce?
f) Which blood type is considered to be the universal recipient? Explain your answer.
g) Which blood type is considered to be the universal donor? Explain your answer.
f. The AB blood type is considered to be the universal recipient.because they have no antibodies to A, B or Rh in their blood and can receive red blood cells from a donor of any blood type.
g. People with type O- blood are called universal donors because their donated red blood cells have no A, B or Rh antigens and can therefore this blood group is very safe to given people of any blood group.
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