Question

The most likely reason for the development of resistance against pesticides in insect damaging a crop is
A. Random mutations
B. Genetic recombination
C. Direct mutations
D. Acquired heritable changes

Answer 1

Correct Answer - A
The environmental stress ( as pesticides) does not cause direct changes in genome,mutation, which results in phenotypes that are better adapted to the new environment (e.g. certain pesticides)