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heterosis
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   Also found in: Dictionary/thesaurus, Medical, Encyclopedia, Wikipedia 0.03 sec.

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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For example, work with the united Quantum Field Theoretical formulation of all powers' and particles' basic dynamics in the common mathematical description today moves from the grand unified theory (GUT) to be formulated as "the heterotic super string theory" as well as efforts to find and manipulate "the fundamental laws of life" by uncovering "the genetic program in the human genome project.
 
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