The affected male in the pedigree chart is symbolised by

Which of the following human diseases provides an example of sex-linked inheritance?

Which disease is caused by a gene defect located on chromosome $16$,leading to a deficiency that affects the transport of respiratory gases?

$A$ woman is a carrier for hemophilia (having one gene on each $X$ chromosome) and also carries one gene for color blindness on one $X$ chromosome. She marries a normal man. What will be the phenotype of their offspring?

The pedigree chart given below shows a particular trait which is absent in parents but present in the next generation irrespective of sexes. Draw your conclusion on the basis of the pedigree.

In humans,polydactyly is caused by the effect of a/an ...