MICROANATOMY

BLOOD CARDIOVASCULAR SYSTEM LYMPHOID ORGANS

BLOOD

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the genotype of a person with type A blood, who had a father with type O blood?
A
AB
B
AO
C
AA
D
OO
Explanation: 

Detailed explanation-1: -The genotype must be OO. How are ABO alleles inherited by our children? Each biological parent donates one of their two ABO alleles to their child. A mother who is blood type O can only pass an O allele to her son or daughter.

Detailed explanation-2: -The genotype of a woman with type A blood whose father has type O blood is AO. This is because the O blood allele is recessive and will only produce the O blood type of both alleles in a person are O.

Detailed explanation-3: -Someone with blood type O has neither the A nor the B allele. The genotype must be OO.

Detailed explanation-4: -The child with blood group O will have the genotype ii, one from each parent. Hence the father has the genotype IOIB. Q.

Detailed explanation-5: -If one parent has A and another has AB, they can either produce a child with A, B or AB blood types. If one parent has A and another has O, they can either produce a child with A or O blood types.

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