What good is genomic imprinting: the function of parent-specific gene expression

@article{Wilkins2003WhatGI,
  title={What good is genomic imprinting: the function of parent-specific gene expression},
  author={Jon F. Wilkins and David W. Haig},
  journal={Nature Reviews Genetics},
  year={2003},
  volume={4},
  pages={359-368}
}
Parent-specific gene expression (genomic imprinting) is an evolutionary puzzle because it forgoes an important advantage of diploidy — protection against the effects of deleterious recessive mutations. Three hypotheses claim to have found a countervailing selective advantage of parent-specific expression. Imprinting is proposed to have evolved because it enhances evolvability in a changing environment, protects females against the ravages of invasive trophoblast, or because natural selection… CONTINUE READING

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