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heterosis. In DICTIOUS you will not only get to know all the dictionary meanings for the word
heterosis, but we will also tell you about its etymology, its characteristics and you will know how to say
heterosis in singular and plural. Everything you need to know about the word
heterosis you have here. The definition of the word
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English
Etymology
From hetero- + -osis.
Noun
heterosis (countable and uncountable, plural heteroses)
- (genetics) The tendency of cross-breeding to produce an animal or plant with a greater hardiness than its parents; hybrid vigour.
2018, Tim Flannery, Europe: A Natural History, page 159:Hybridisation can also result in heterosis - the scientific term for the production of ʽsuper fit’ hybrid individuals - many examples of which come from agriculture. Heterosis can be thought of as the opposite of inbreeding depression, the phenomenon whereby the offspring of individuals that are genetically too similar - for example, brother and sister - can suffer from debilitating maladies.
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