A woman with type O blood is expecting a child. Her husband is type A. Both the woman's father and her husband's father had type B blood. What is the probability that the child will have type O blood?A.100%b.75%C.50%D.25%E.0%

C. 50%

Explanation:

The woman has blood group O so her genotype will be .The husband has blood group A so his genotype could either be .Since the husband's father was having blood group B so it is obvious that the husband is heterozygous with genotype .A cross between heterozygous dominant and homozygous recessive is a test cross and will yeild 50% offspring with recessive genotype.So the probability of the child having blood group O is 50%.

Amutation is basically the change in the gene, caused by alteration of single based units in the dna, or the genes or chromosomes were rearranged in the dna

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