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Superiority of hybrid over both of its parents is called

Superiority of hybrid over both of its parents is called Correct Answer Heterosis

The superiority of a hybrid over both of its parents is called Heterosis.
Heterosis refers to the phenomenon that progeny of diverse varieties of a species or crosses between species exhibit greater biomass, speed of development, and fertility than both parents.
It 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.

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