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Industry Terms

Greater strength and health or faster rate of growth in the offspring resulting from the cross-breeding of two gene pools.

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Merriam-Webster Online Dictionary
hybrid vigor (noun)
- heterosis
Hybrid Vigor (Wikipedia)
Not to be confused with Heterozygosity, or with Heterotic string theory.
See also: Heterozygote advantage
"Heterotic" redirects here. For the musical group Heterotic, see Mike Paradinas.

Heterosis, hybrid vigor, or outbreeding enhancement is the improved or increased function of any biological quality in a hybrid offspring. An offspring is heterotic if its traits are enhanced as a result of mixing the genetic contributions of its parents. The heterotic offspring often has traits that are more than the simple addition of the parents' traits, and can be explained by Mendelian or non-Mendelian inheritance. Typical heterotic/hybrid traits of interest in agriculture are higher yield, quicker maturity, stability, drought tolerance etc.

Time course imaging of two maize inbreds and their F1 hybrid (middle) exhibiting heterosis.
Hybrid Vigor (Wiktionary)

English

Alternative forms

  • hybrid vigour

Noun

hybrid vigor (uncountable)

  1. A property of some hybrids that are more likely to outperform either purebred parent in surviving.

Synonyms

  • heterosis
  • outbreeding enhancement

Translations

 Read More
heterosis, hybrid strength, crossbred vitality, genetic enhancement, hybrid advantage

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