Question

n a mating between individuals with the genotypes IAi Hh× iiHh, what percentage of the offspring would be expected to have the O blood type?

Answer 1

Answer:

Allele H is dominant over allele h. At least one H allele must be present to express the respective phenotype. In recessive (hh) conditions, all genotype would become O type blood phenotype.

IAi Hh (A type) x (O type) ii Hh ---Parents

	iH	ih
IAH	IAi HH (A type)	IAi Hh (A type)
IAh	IAi Hh (A type)	IAi hh (O type)
iH	ii HH (O type)	ii Hh (O type)
ih	ii Hh (O type)	ii hh (O type)

A type = 3/8

O type = 5/8

The percentage of the offspring would be expected to have the O blood type = 5/8 = 62.5%