hybrid vigor

American  

noun

1. heterosis.

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hybrid vigor Scientific  

1. The increased vigor or general health, resistance to disease, and other superior qualities that are often manifested in hybrid organisms, especially plants and animals.

2. Compare inbreeding depression

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Etymology

Origin of hybrid vigor

First recorded in 1915–20

Example Sentences

Hybridization may also have brought "hybrid vigor," where a hybrid organism is more vigorous than either of its parents.

From Science Daily

The phenomenon, called hybrid vigor, comes from crossing two strains of inbred parents.

From Science Magazine

Bountiful harvests of corn and other major crops rely on a mysterious phenomenon known as hybrid vigor.

From Science Magazine

Not to just restore the past, but to finally realize the incredible hybrid vigor of our multicultural, multiracial heritage and build a new America that shows the world how it’s done.

From Seattle Times

Yet unless all five boroughs can unite to find and awaken the sleeping primary avatar, the “hybrid vigor” of our own beautifully chaotic city will be forgotten, supplanted by the Enemy’s redoubtable monolith.

From Washington Post