Which of the following most appropriately describes haemophilia?
Chromosomal disorder
Dominant gene disorder
Recessive gene disorder
$X$-linked recessive gene disorder
In a sickle cell anaemia glutamic acid is replaced by valine, which the following codes for glutamic acid ?
If a haemophilic man marries a woman carrier (heterozygous) for haemophilia, what would be the possibility that their daughter would be haemophilic
Given below is a highly simplified representation of the human sex chromosomes from a karyotype. The gene $'a'$ and $'b'$ could be of
If a normal women marries a colourblind man
Give scientific reasons : The Mendelian experiments cannot be carried out in human beings.