Mutation was first discovered by:
A) Wright
B) de Vries
C) Muller
D) Stadler
The term mutation was coined by:
A) de Vries
B) Morgan
C) Muller
D) Stadler
The first case of mutation was discovered in:
A) Drosophila
B) Male lamb
C) Garden pea
D) Neurospora
A gene which exhibits higher mutation rate than others is referred to as:
A) Mutator gene
B) Mutable gene
C) Antimutator gene
D) Hot spot
A unit of mutation in a gene, is known as:
A) Hot spot
B) Cistron
C) Muton
D) Recon
Induced mutations are useful in:
A) Development of improved varieties
B) Induction of male sterility
C) Creation of variability
D) Production of haploids
E) All of the above
In Drosophila, visible autosomal mutants are detected by:
A) CIB method
B) Attached X method
C) Curly lobe plum method
D) Production of haploids
For experimental induction of mutations in Drosophila by X-rays, the Nobel Prize was awarded to:
A) T.H. Morgan
B) Muller
C) Stadler
D) de Vries
Stadler first used X-rays for induction of mutation in:
A) Drosophila
B) Barley
C) Wheat
D) Maize
A mutation which kills 50% of the individuals that carry the mutation is referred to as:
A) Lethal mutation
B) Sub-lethal mutation
C) Sub-vital mutation
D) Vital mutation

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