• DOI:10.1016/j.cub.2011.08.007
Corpus ID: 17619958

Genetic drift

@article{Masel2011GeneticD,
  title={Genetic drift},
  author={Joanna Masel},
  journal={Current Biology},
  year={2011},
  volume={21},
  pages={R837-R838}
}

Joanna Masel

Published 2011

Medicine

Current Biology

What is genetic drift? Say you have a population of 5,000 people. That makes 10,000 copies of each gene. Imagine a gene where 3,000 of those copies are of one particular allele or type. In the next generation, there won’t necessarily be exactly 3,000 copies again. There may be 3,050 or 2,960 copies instead. Some gametes get randomly picked out of all the possible gametes that could have been used. This is a bit like tossing a coin, and 100 coin tosses rarely yield exactly 50 heads. Natural… CONTINUE READING

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