heterozygote advantage

(redirected from Heterozygous advantage)

heterozygote advantage

[‚hed·ə·rō¦zī‚gōt ad′van·tij]
References in periodicals archive ?
In this scenario, there is a homozygous disadvantage (that is, sickle cell anemia) for people who carry two copies of the altered gene, a homozygous disadvantage (susceptibility to malaria) for people who carry two copies of the unaltered gene, and a heterozygous advantage (resistance to malaria) for people who carry one copy of each.
There is the homozygous disadvantage of susceptibility to sleeping sickness with the normal version of the APOLl gene, and the heterozygous advantage of resistance to the infection with the genetic variant.