Cytoplasmic genetic male sterility was first discovered by___________________?
Correct answer: A. Jones and Davies (1944)
- A. Jones and Davies (1944)
- B. Devaries and Correns (1900)
- C. Bruce and Keeble (1908)
- D. Nilson (1900)
Explanation
Jones and Davis reported cytoplasmic male sterility in onion in 1944, establishing the practical basis for using CMS in hybrid-seed production. The other names are associated with broader studies of heredity or male sterility, not this first report.
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