Question

Cotton bollworms are controlled by certain proteins that are coded by

• A. cryIAc.
• B. cryIAb and cryIIAb.
• C. cryIAb and cryIAc.
• D. cryIAc and cryIIAb.

Answer 1

Answer: (D)

Cry gene : These are the various types of genes that code for the Bt toxins.
Example 1. cryIAc and cryIIAb code for proteins that control the cotton bollworms.
2. cryIAb code for proteins that control the corn borers.