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heterosis
(redirected from hybrid vigor)

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heterosis

Improvement in physical capacities that sometimes occurs in the hybrid produced by mating two genetically different parents.

The parents may be of different strains or varieties within a species, or of different species, as in the mule, which is stronger and has a longer lifespan than either of its parents (donkey and horse). Heterosis is also exploited in hybrid varieties of maize, tomatoes, and other crops.



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? Mentioned in ? References in periodicals archive
 
These causes vary from factors that link to hybrid vigor to ones that likely result from mechanical damage caused to the seed somewhere along the way.
Seeds Up Close by Finck, Charlene / Farm Journal
Data from seven commercial California dairy herds that have been crossbreeding a portion of their animals show hybrid vigor is alive and well.
Crossbred success by Dairy Today
MPSS has jump started our efforts to understand, at the genomic level, the genetic and physiological bases of hybrid vigor in oysters, a non model species," said Professor Dennis Hedgecock.
Lynx Announces Follow Up Contract with Researchers at University of ... by Business Wire
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