In man the mutation disease ‘Aniridia' $(Congenital\, absence \,of\, iris)$ occurs due to
Recessive mutation
Dominant mutation
Lethal mutation
All the above
It's Obvious
In man, four phenotypes of blood groups are due to the presence of antigen-$A$ and antigen-$B$ on the $RBC.$ The chromosome that has the gene to control these antigens is
What will be possible blood group in children from the parents with $B$ and $AB$ blood groups?
Mendel enunciated
Drosophila has four pairs of chromosomes. How many linkage groups does it have
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