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Question

In Huntington's, affected persons are heterozygous (Hh) and unaffected are homozygous for normal allele b. The pedigree is erroneous because

A

It shows both male and females affected by Huntington's disease

B

Atleast one of the 4 children (10, 11, 12, 13) should have a disease (probability :25%)

C

All of these

D

Either person $$5$$ or $$6$$ should have the disease, if inidividual 17 shows the disease

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Solution

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Correct option is A. It shows both male and females affected by Huntington's disease

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