Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child? A, B O, AB A, AB, B O, AB, A

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10-03-2016
Biology

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Parents with the genotypes AO and AB have a child. What are all the possible blood types of the child? A, B O, AB A, AB, B O, AB, A

Answer :

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Dracula419 Dracula419 · Answer 1 · 2016-03-10T08:44:41-05:00

Dracula419 Dracula419

10-03-2016

AO AB
↓ ↓
AA AB AO BO
so the blood groups are A, AB, A(AO), B(BO)

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Naqada Naqada · Answer 2 · 2019-06-29T00:34:18-04:00

Answer:

A, AO, AB and B.

Explanation:

ABO blood group is as case of codominance inheritance pattern. The human blood group is determined by a gene I. it has two alleles IA and IB. Its recessive allele is IO. A person having IAIA (homozygous) or IAIO (heterozygous) will have blood group A. If a person having IBIB or IBIO will have blood group B. It both the alleles IA and IB are present, then both genes are express completely resulting into a new phenotype have blood group AB. If a person having IOIO, then blood group is O.

In the given question a parent have blood groups AO and AB. They will produce gametes A, O and A, B. According to Mendel’s pattern of inheritance, the possible blood type of child will be A, AO, AB and B.