In wheat, Hessian fly pest is genetically controlled by__________________?
Correct answer: B. 5D + 5d
- A. Cytoplasm
- B. 5D + 5d
- C. 2D
- D. 1D
Explanation
Resistance to Hessian fly in wheat is associated with genetic factors on chromosome 5D, represented here by 5D + 5d. The other chromosome choices do not identify the commonly cited 5D resistance locus in this question.
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