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Genetics and Hybrid Vigour Quiz

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Questions and Answers

Who first used the term heterosis?

Maize researchers

Darwin

Koelreuter

Shull (correct)

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?

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?

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Genetics and Hybrid Vigour Quiz

Choose a study mode

Podcast

Questions and Answers

Who first used the term heterosis?

What does heterosis refer to?

What type of hybridization produces commercial maize hybrids?

Where does most of our present knowledge on heterosis come from?

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