The following questions are to be completed ih small groups during the tutorial

Question

The following questions are to be completed ih small groups during the tutorial session A small number of type O individuals have the Bombay blood phenotype. Individuals with the Bombay blood phenotype always appear to have type O blood because they are homozygous recessive for the gene, H, which is epistatic to gene I. As long as at least one dominant H allele is present, the ABO blood type associated with the person's ABO genotype will be expressed. Individuals who are homozygous hh always have type O blood. The pedigree below includes two individuals with the Bombay blood phenotype AB AB B o Use the above information to answer the next two questions. 1) The possible genotypes of 1-2 are: 2) What is a possible genotype for ll-1? c) ii hh e) A hh

Explanation / Answer

O blood with bombay blood has hh

HH or Hh = ABO blood type

1. IAIA Hh or IAi Hh or IAIA HH or IAi HH

2. II-1 O blood group
iihh

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