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Questions and Answers
Who first used the term heterosis?
Who first used the term heterosis?
- Maize researchers
- Darwin
- Koelreuter
- Shull (correct)
What does heterosis refer to?
What does heterosis refer to?
- Superiority of an F2 hybrid over its parents
- Superiority of an F1 hybrid over its parents (correct)
- Superiority of an open pollinated variety over its parents
- Superiority of an inbred line over its parents
What type of hybridization produces commercial maize hybrids?
What type of hybridization produces commercial maize hybrids?
- Hybridization between inbreds of unrelated varieties
- Crossing inbred lines (correct)
- Hybridization between inbreds of the same variety
- Open pollinated varieties
Where does most of our present knowledge on heterosis come from?
Where does most of our present knowledge on heterosis come from?
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