The increased performance of F₁ hybrid over its parents is called

Solution (By Examveda Team)

The increased performance of F₁ hybrid over 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.
Various models have been posited to explain heterosis, including dominance, overdominance and pseudo-overdominance.