New data are causing the standard model for the effect of selection on linked neutral variation in low recombination regions, combining the effects of background selection and selective sweeps, to be refined to include harmful recessive mutations creating associative overdominance.

中文翻译：

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遗传变异：有害的隐性变异对变异具有意想不到的影响。

新数据正在使标准选择模型对低重组区域中连锁中性变异的影响结合背景选择和选择性扫描的影响而得到完善，以包括有害的隐性突变，从而产生关联性过高。