genetic load

noun

Definition of genetic load

: the decrease in fitness of the average individual in a population relative to the fittest genotype due to the presence of deleterious genes in the gene pool

First Known Use of genetic load

1950, in the meaning defined above

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The first known use of genetic load was in 1950

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Cite this Entry

“Genetic load.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/genetic%20load. Accessed 27 Nov. 2020.

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More Definitions for genetic load

genetic load

noun

Medical Definition of genetic load

: the decrease in fitness of the average individual in a population due to the presence of deleterious genes or genotypes in the gene pool

More from Merriam-Webster on genetic load

Britannica.com: Encyclopedia article about genetic load

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