Codominance in blood types.     If a male with type A blood (with genotype IAi) mates with a female having type B blood (with genotype IBi), what are the phenotypic ratios for the blood types of the offspring?      ___  A :  ___ B   : ___ AB : ____ O     Suppose that one parent has type AB blood, and the blood type of the other parent is not known. Describe how a child can (or cannot) have the following blood types:   Type A   Type B   Type AB   Type O

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
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Author:Michael Cummings
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Chapter7: Development And Sex Determination
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  1. Codominance in blood types.

 

 

  1. If a male with type A blood (with genotype IAi) mates with a female having type B

blood (with genotype IBi), what are the phenotypic ratios for the blood types of the offspring?

 

 

 ___  A :  ___ B   : ___ AB : ____ O

 

 

  1. Suppose that one parent has type AB blood, and the blood type of the other parent is not known. Describe how a child can (or cannot) have the following blood types:

 

  1. Type A

 

  1. Type B

 

  1. Type AB

 

  1. Type O
Expert Solution
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The ABO blood group is an example of multiple allelism and codominance. Total three alleles are responsible for blood grouping that are lA, land i. IA and lB are codominant and i is recessive in nature.

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