Question
Three Mark Questions :
A cross between a normal couple resulted in a son who was haemophilic and a normal daughter. In course of time when the daughter was married to a normal man,to their surprise, the grandson was also haemophilic. (a) Represent this cross in the form of a pedigree chart. Give the genotypes of the daughter and her husband. (b) Write the conclusion you draw of the inheritance pattern of this disease.