genetic load


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Related to genetic load: balanced polymorphism

genetic load

[jə¦ned·ik ′lōd]
(genetics)
The reduction in fitness of a diploid population due to new mutant genes and those already in the gene pool.
References in periodicals archive ?
A crusader's rich ardor could not supplant a genetic load.
High genetic load resolves two long-debated issues in bivalve genetics: (1) common distortions of Mendelian inheritance ratios in laboratory-reared progeny of wild parents (Wada 1975, Beaumont et al.