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Athletic frogs have faster-changing genomes

Durham, NC — Physically fit frogs have faster-changing genomes, says a new study of poison frogs from Central and South America. Stretches of DNA accumulate changes over time, but the rate at which those changes build up varies considerably between species, said author Juan C. Santos of the National Evolutionary Synthesis Center in Durham, North Carolina. read more
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Treadmill tests for poison frogs show toxic species are more physically fit

Academics / General Science : Science Daily (3 years ago)

The most toxic, brightly colored members of the poison frog family may also be the best athletes, says a new study. Read Post

Biologists describe mechanism promoting multiple DNA mutations

Academics / General Science : Science Codex (2 days ago)

DNA mutations—long known to fuel cancer as well as evolutionary changes in a living organism—had been thought to be rare events that occur randomly throughout the genome. However, recent studies have shown that cancer development fr... Read Post

Athletic frogs have faster-changing genomes

Academics / General Science : Science Daily (2 years ago)

Physically fit frogs have faster-changing genomes, says a new study of poison frogs. Stretches of DNA accumulate changes over time, but the rate at which those changes build up varies considerably between species, researchers say. Read Post


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