In Huntington’s disease, the unaffected persons are homozygous for normal allele $h$. The following is erroneous because
it shows both male and female affected by Huntingtons disease
either person $6$ or $7$ should have the disease, if individual $11$ shows the disease.
at least one of the $2$ children $(8,\,9)$ should have the disease
all of these
Select the correct sentence for colour blindness ?
If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father ? Comment.
Among symbol $A, B$ and $C, C$ indicates
Which of the following is a genetic disease
Haemophilia is more commonly seen in human males than in human females because