Question

Inbreeding is carried out in animal husbandry because it:
a. increases vigour
b. improves the breed
c. increases heterozygosity
d. increases homozygosity


NCERT Class XII
Biology - Main Course Book

Chapter 9. Strategies for Enhancement in Food Production

Answer 1

d. increases homozygosity is the answer.

Answer 2

Inbreeding in animal husbandry

Explanation:

Inbreeding is a technology in which mating is done between two animals which are closely related to increase the productivity,improves the breed,also increases homozygosity etc.

Advantage-

1.improve breeds

2.eliminate harmful or defected genes at some extent

3.increase productivity

4.Assimilation of superior genes.

Disadvantage-

1.Continuous process may decrease productivity and thus cause economic loss

2. In some cases inbreeding may bring deadly diseases.