In allogamous species, a true breeding line obtained by continuous inbreeding is__________________?

Related Mcqs:

1. A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?

   A. Autodiploid
   B. Hexaploid
   C. Autopolyploid
   D. Amphidiploid

2. A polyploidy species with genomes derived from the same original species is an_________________?

   A. Allopolyploidy
   B. Amphidiploids
   C. Annapolis
   D. Autopolyploid

3. Nutritional quality breeding deals with genetic improvement in__________________?

   A. Oil
   B. Protein
   C. Vitamin
   D. All the above

4. Mendel studied contrasting characters for his breeding cxperiments with peas which of the following character he did not study_______________?

   A. Pod color
   B. Pod shape
   C. Plant height
   D. Leaf shape

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. Out breeding leads to reproduction in____________________?

   A. Heterozygosity
   B. Homozygosity
   C. Population mean
   D. None of the above

7. Mutation breeding is mostly used in____________________?

   A. Self pollinated crops
   B. Cross pollinated crops
   C. Vegetative propagated crops
   D. Often cross pollinated crops

8. 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

9. Those rams whose breeding worth is known, is known as _______________________?

   A. Experienced ram
   B. Adult ram
   C. Mature ram
   D. None of above

10. Breeding season in Sheep ________________________?

    A. Spring & Autumn
    B. Spring & Summer
    C. Spring & Winter
    D. Only Spring