Disease and insect resistance is governed by________________?
Correct answer: D. All the above
- A. Plasma genes
- B. Polygenes
- C. Oligogenes
- D. All the above
Explanation
Resistance may be controlled by major genes, several genes acting together, or cytoplasmic factors, depending on the host and pest or pathogen. Thus the listed gene categories are collectively intended to represent possible genetic control mechanisms.
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