In man the mutation disease ‘Aniridia' $(Congenital\, absence \,of\, iris)$ occurs due to
Recessive mutation
Dominant mutation
Lethal mutation
All the above
Incomplete linkage is ...$A$.... Complete linkage is ...$B$.... Choose correct option for $A$ and $B$
When a segment of a chromosome breaks and later rejoins after $180^{\circ}$ rotation,it is known as
Distance between two linked genes upon a chromosome is measured in cross over units, is
Mendel was the native of
In man, albinism is due to non-synthesis of melanin in the absence of