In Huntington’s disease, the unaffected persons are homozygous for normal allele $h$. The following is erroneous because

726-945

  • [AIIMS 2015]
  • A

    it shows both male and female affected by Huntingtons disease

  • B

    either person $6$ or $7$ should have the disease, if individual $11$ shows the disease.

  • C

    at least one of the $2$ children $(8,\,9)$ should have the disease

  • D

    all of these

Similar Questions

If both parents are carriers for thalassemia, which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child?

  • [AIIMS 2014]

Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be

If a colour blind man marries a woman who is homozygous for normal vision, the probability of their son being colour blind is .........

A woman with two genes for haemophillia and one gene for colourblindness on one of the $X$ chromosomes marries a normal man. How will the progeny be

  • [AIPMT 1998]

Colour blindness is caused by a single