heterozygote superiority

heterozygote superiority

[‚hed·ə·rō¦zī‚gōt sü‚pir·ē′ȯr·əd·ē]
(genetics)
The greater fitness of an organism that is heterozygous at a given genetic locus as compared with either homozygote. Also known as heterozygote advantage.
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References in periodicals archive ?
A case of stress related heterozygote superiority in nature.
It should be mentioned here, that under even distribution of fitness coefficients, given the inequalities (S), the majority of the resulting systems will manifest any form of heterozygote superiority for geometric mean fitness.