A child with blood type O has a mother with blood type A and a father...

A child with blood type O has a mother with blood type A and a father with blood type B. (a) What are the genotypes of the parents? (b) List all possible genotypes of children from these two parents. (c) What is the probability that a child from these two parent types has blood type O?

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Expert Solution

bood type O : gegnotype : OO

therefore both parents have atleast one O

blood group A genotype : AA or AO

mother genotype : AO {both parents have atleast one O}

blood group B genotype : BB or BO

father genotype : BO {both parents have atleast one O}

mother genotype : AO

father genotype : BO

	inherited from father = B	inherited from father = O
inherited from mother = A	offspring = AB	offspring = AO
inherited from mother =O	offspring = BO	offspring = OO

possible genotypes of children = AB,AO,BO,OO

no. of offspring in table having O blood type (genotype : OO) = 1

total offsprings in table = 4

P(child has blood type O) = (no. of offspring having O blood type) / (total offsprings)

= 1/4

= 0.25

(please UPVOTE)

orchestra answered 1 year ago

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