Assortative mating is essentially the recognition that theory isn’t always perfect and that, however desperately biologists might want some simplicity in the world, organisms don’t just encounter each other like gas molecules- it’s not a random process. In fact, it can even give evolution a helping hand…

Sources for this episode:

Nishi, A., Alexander, M., Fowler, J. H. and Christakis, N. A. (2020), Assortative mating at loci under recent natural selection in humans. BioSystems 187 (2020) 104040.
Thain, M., and Hickman, M. (2014), The Penguin Dictionary of Biology, 11th edition. London: Penguin Publishing Group.

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