three-spined sticklebacks (gastrerosteus aculeatus) are small fish that live in both marine and freshwater environments. a biologist genotypes a population living in freshwater cranby lake at the eda gene, and finds 17 fish with genotype mm, 50 with genotype mf, and 83 with genotype ff. is evolution likely occuring in the population of sticklebacks in cranby lake
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three-spined sticklebacks (gastrerosteus aculeatus) are small fish that live in both marine and fres...
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