Dominance hypothesis of heterosis was first proposed by__________________?
Correct answer: B. Davenport (1908)
- A. Shull (1914)
- B. Davenport (1908)
- C. Bruce (1910)
- D. Davis (1927)
Explanation
Davenport first proposed the dominance hypothesis in 1908, explaining heterosis as the masking of deleterious recessive alleles by dominant alleles in the hybrid. Bruce later provided supporting work, while Shull is associated with coining the term heterosis.
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