This preview shows page 1. Sign up to view the full content.
Unformatted text preview: these chemicals. Once pesticide spraying became widespread, the insects that had resistant genes became much more frequent and passed more of their genes on to the next generation. As a result, after sixty years of pesticide applications, these insects are now very resistant to common pesticides and are no longer harmed by these chemicals....
View Full Document
This note was uploaded on 10/01/2011 for the course BIOL 1407 taught by Professor Lisagloyna during the Spring '09 term at Austin Community College.
- Spring '09