Genetic compatibility exceeds possible ‘good genes' effects of sexual selection in lake char
Claus Wedekind,
Laura Garaud,
David Nusbaumer
et al.
Abstract:Mating is rarely random in nature, but the genetic effects of mate choice are still poorly understood. We sampled 47 wild lake charr(Salvelinus umbla) during two breeding seasons and used their gametes to investigate the genetic consequences of different mating scenarios. In a first study, 1,464 embryos that resulted from sperm competition trials were raised singly in either a stress- or non-stress environment. Offspring growth turned out to be strongly reduced with increased genetic relatedness between the pa… Show more
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