Top cross was first suggested by__________________?
Correct answer: D. Davis (1927)
- A. Simmonds (1979)
- B. East (1908)
- C. Davenport (1908)
- D. Davis (1927)
Explanation
Davis proposed the top-cross method in 1927 to evaluate the combining ability of inbred lines by crossing them with a common tester. The other names and dates refer to different developments in hybrid breeding.
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