Question

The specific Bt toxin genes which protect the cotton plants against the cotton bollworms are ______.

Options

• Cry-I Ac and Cry-II Ab

• Cry-I Ab and Cry-I Bc

• Cry-II Ac and Cry-I Ac

• Cry-II Ab and Cry-I Ab

Answer 1

The specific Bt toxin genes which protect the cotton plants against the cotton bollworms are Cry-I Ac and Cry-II Ab.

Explanation:

Bt toxin genes Cry-I Ac and Cry-II Ab protect cotton plants from cotton bollworms, while Cry-I Ab controls corn borers.