A. Operator gene
B. Structural gene
C. Regulator gene
D. Promotor gene
Related Mcqs:
- A gene which enhances the natural mutations rate of another gene in the same genome is kanown as___________________?
A. Mutable gene
B. Mutator gene
C. Recepror gene
D. Articulator gene - Concept of gene for gene hypothesis was developed in____________________?
A. Linseed
B. Oat
C. Gram
D. Tomato - Gene for gene hypothesis was proposed by__________________?
A. Nelson (1973)
B. Flor (1956)
C. Robinson (1971)
D. Vander plank (1963) - The suppression of the action of a gene or genes by a gene or genes not allelomorphic to these suppressed is known as __________________?
A. Episode
B. Co dominance
C. Epistasis
D. Dominance - The spread of genes from one breeding population to another by migration which may result in changes in gene frequency is called__________________?
A. Gene flow
B. Genetic drift
C. Gene frequency
D. None of the above - Concept of combining ability as measure of gene action was first proposed by___________________?
A. Sprague and Tatum (1942)
B. Cavalli (1952)
C. Mather (1956)
D. Wright (1951) - A gene which exhibits higher mutation rate than others is referred as___________________?
A. Mutator gene
B. Antimutalor gene
C. Mutable gene
D. Hot spot - Norine 10 is the source of dwarfing gene in________________?
A. Wheat
B. Rice
C. Barley
D. Oat - The process of transfer and deletion of several gene is_____________________?
A. Gene mutation
B. Chromosomal mutation
C. Monoploldy
D. Synapsis - The reason why mutations which are harmful do not eliminated from gene pool is that___________________?
A. They are recessive and carried by heterozygous individuals
B. Genetic drift occurs because of a small population in to offsprings
C. Making possible reproduction in all types of environments
D. They have future survival value
