Pedigree analysis is very important in human beings because
It helps genetic counselers to avoid disorders
It shows origin of traits
It shows the flow of traits in family
All of the above
Which of the following most appropriately describes haemophilia?
A person may have one gene for normal haemoglobin and one gene for sickle cell haemoglobin. This heterozygous condition is called
Disorder inherited as Mendel's law of inheritance called
Haemophilia is
Haemophilia, a $X$-linked recessive disease is caused due to deficiency of