Tag Archives: selection

Different ways to have sex, yet still be a weed

Baker (1955) noticed that when mates are lacking, the ability to undergo self-fertilization will greatly enhance colonization success. Uniparental reproduction seems to be common in colonizing species, whether it’s from a continent to an oceanic island, during a biological invasion or during range … Continue reading

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Posted in Coevolution, comparative phylogeography, evolution, natural history, phylogeography, population genetics, selection | Tagged , , , , , | Leave a comment

Humans, selection, evolution and ecological timescales … a potent cocktail

It’s been awhile since I last was able to write for TME. But, finally, I’ve stolen away some time to write about a recent study in Ecology Letters that I couldn’t put down once I started reading it. Yes, it’s about mating … Continue reading

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Posted in adaptation, evolution, natural history, plants, population genetics, selection, theory | Tagged , , , | Leave a comment

Catching evolution in the act with the Singleton Density Score

A recent study led by Jonathan K. Pritchard at Stanford University brought a media storm with catchy headlines in both of the flagship scientific outlets Nature and Science News. Aside from highlighting the question of preprints without peer review being … Continue reading

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Posted in methods, mutation, population genetics, selection | Tagged , , , | 1 Comment

An evolutionary cycle …

Rescan, Lenormand and Roze (2016) recently published new models on the evolution of life cycles in The American Naturalist. Most animals and protists have diploid life cycles in which the haploid stage is reduced to a single-celled gamete. Other organisms, such … Continue reading

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Posted in evolution, haploid-diploid, mutation, selection, transcriptomics | Tagged , , , , | Leave a comment