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From Biology-Online Dictionary | Biology-Online Dictionary
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Incapacity (of an organism, a cell or tissue) to live, develop, grow, or reproduce.


In hybrid inviability, an organism (a hybrid) possesses a deleterious gene that its offspring would not be able to survive, and usually die before birth.

Word origin: in- (not) + viable +-ity.
Related forms: inviable (adjective).

Compare: viability.