Somatic point mutations occurring early in development: a monozygotic twin study | Semantic Scholar
@article{Li2013SomaticPM, title={Somatic point mutations occurring early in development: a monozygotic twin study}, author={Rui Li and Alexandre Montpetit and Maryl{\`e}ne Rousseau and Si-Yu Wu and Celia M. T. Greenwood and Tim D. Spector and Michael N. Pollak and Constantin Polychronakos and J. Brent Richards}, journal={Journal of Medical Genetics}, year={2013}, volume={51}, pages={28 - 34}, url={https://api.semanticscholar.org/CorpusID:6031153} }
Findings provide direct evidence that early somatic point mutations do occur and can lead to differences in genomes between otherwise identical twins, suggesting a considerable burden of somatic mutations among the trillions of mitoses that occur over the human lifespan.