Cystic fibrosis,Myotonic dystrophy,and Thalassemia are:

If a son is affected by hemophilia,from whom is the probability of inheriting this disease?

Which of the following diseases results from the genetic inability to synthesize a single enzyme?

In the $\beta$-globin chain of haemoglobin of an individual,if the sixth amino acid,Glutamic acid (Glu),is replaced by Valine (Val),then the individual will be suffering from:

Genes of colour blindness are carried in

Pedigree analysis is very important in human beings because