Questions
Cry II Ab and cry I Ac produce toxins that control
a
cotton bollworms and corn borer respectively.
b
cotton borer and cotton bollworms respectively
c
tobacco budworms and nematodes respectively.
d
nematodes and tobacco budworms respectively
detailed solution
Correct option is A
Bt toxin genes were isolated from Bacillus thuringiensis and incorporated into several crop plants such as cotton. The toxin is coded by gene named cry. Two cry genes - cry I Ac and cry II Ab have been incorporated in cotton. The proteins encoded by genes cry II Ab and cry I Ac control cotton bollworms and that of cry I Ab controls cornborer.Talk to our academic expert!
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