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...from populations? Please tell us what you think. Do recessive traits automatically disappear from populations? Yes. Recessive traits tend to become less common every generation until they vanish altogether. No. Recessive traits tend toward a frequency of 25%. If they are more common than...

A chemists determines that a sample of petrified wood has a carbon-14 decay rate of 6.00 counts per minute per gram. What is the age of the piece of wood in years ? The decay rate of carbon-14 in fresh wood today is 13.6 counts per minute per gram, and the half life of carbon-14 is 5730 years.