Gene responsible for the synthesis of repressor is called__________________?

Related Mcqs:

1. 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

2. Concept of gene for gene hypothesis was developed in____________________?

   A. Linseed
   B. Oat
   C. Gram
   D. Tomato

3. Gene for gene hypothesis was proposed by__________________?

   A. Nelson (1973)
   B. Flor (1956)
   C. Robinson (1971)
   D. Vander plank (1963)

4. 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

5. 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

6. 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)

7. A gene which exhibits higher mutation rate than others is referred as___________________?

   A. Mutator gene
   B. Antimutalor gene
   C. Mutable gene
   D. Hot spot

8. Norine 10 is the source of dwarfing gene in________________?

   A. Wheat
   B. Rice
   C. Barley
   D. Oat

9. The process of transfer and deletion of several gene is_____________________?

   A. Gene mutation
   B. Chromosomal mutation
   C. Monoploldy
   D. Synapsis

10. 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