Tag Archives: stickleback

Just So Stories addendum: How the stickleback keeps getting its stickles

Model organisms have been essential tools for genetics research since the field was formed.  Kelle Freel discussed the characteristics that make for a good model organism in a previous TME post.  Briefly, traits like short generation time, lots of offspring, … Continue reading

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Posted in adaptation, evolution, genomics, natural history, selection, stickleback | Tagged , , , , | 1 Comment

How many genes does it take to make a new species?

Three-spined sticklebacks are speciation machines. When retreating glaciers exposed lakes and rivers around the coasts of northern North America and Eurasia, these armor-plated little fish colonized the new freshwater habitats from the ocean, and adapted to the threats and resources … Continue reading

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Posted in genomics, population genetics, quantitative genetics, speciation | Tagged , | 5 Comments