In a population gene frequencies remain constant when there is_________________?

Related Mcqs:

1. In random mating population gene frequencies remain constant generation after generation in the absence of__________________?

   A. Mutation
   B. Selection
   C. Migration
   D. Random drift

2. 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

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

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

4. Gene for gene hypothesis was proposed by__________________?

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

5. 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

6. 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

7. 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

8. Red (RR) is crossed with white (ww). All the (Rw) offsprings are pink this is an indication that the R gene is_________________?

   A. Recessive
   B. Incomplete dominant
   C. Mutant
   D. Dominant

9. If the frequency of a dominant phenotype in a stable population in 75% the frequency of the dominant allele in that population is____________________?

   A. 50%
   B. 75%
   C. 25%
   D. 40$

10. Jumping gene was first discovered in______________________?

    A. Maize
    B. Barley
    C. Oenothera
    D. Sorghum