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NEET 2026
Exam
NEET
Year
2026
Subject
Zoology
Chapter
Biotechnology and Its Applications

NEET 2026 · Zoology · Biotechnology and Its Applications

The toxin proteins, isolated from Bacillus thuringiensis , coded by...

The toxin proteins, isolated from Bacillus thuringiensis, coded by which of the following genes would control cotton bollworms and corn borer, respectively ?

Options

  1. AcryIAc and cryIAb
  2. BcryIAc and cryIIAb
  3. CcryIIAb and cryIAc
  4. DcryIAc and cryIIIAb

Correct answer

A. cryIAc and cryIAb

Step-by-step solution

The toxin proteins encoded by the genes cryIAccryIAc and cryIIAbcryIIAb control the cotton bollworms.

The toxin protein encoded by the gene cryIAbcryIAb controls the corn borer.

Therefore, the genes that control cotton bollworms and corn borer respectively are cryIAccryIAc and cryIAbcryIAb.

Answer: cryIAc and cryIAb
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