Article
Immunity in a variable world.
Philosophical transactions of the Royal Society of London. Series B, Biological sciences - 12 Jan 2009
Lazzaro Brian P, Little Tom J
Abstract excerpt
Immune function is likely to be a critical determinant of an organism's fitness, yet most natural animal and plant populations exhibit tremendous genetic variation for immune traits. Accumulating evidence suggests that environmental heterogeneity may retard the long-term efficiency of natural selection and even maintain polymorphism, provided alternative host genotypes are favoured under different environmental...
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