The most common type of haemophilia results from the congenital absence of
Factor $II$
Factor $V$
Factor $VIII$
Factor $XI$
If a diploid cell is treated with colchicine, then it becomes
Chiasma shows the sites of
If mother and father both are without pigments $(albinism)$, then
Which of the following is regarded as Drosophila of the fungal world
Philadelphia chromosome is