Please pleaseee help :( In 1978, scientists studied how the fitness of marine sticklebacks would be affected if they were introduced into a freshwater environment. They collected 90 male and 90 female sticklebacks
from a marine population and 10 male and 10 female sticklebacks from a freshwater population. The 200 sticklebacks were introduced into a freshwater environment that had no stickeback
fish previously
After the 200 sticklebacks were introduced into the freshwater environment, the scientists collected data on the frequency of the allele in the population from 1978 to 1985. Which of the
following best describes the likely results of the scientists' investigation?
The frequency of the allele continued to be high in approximately 10% of the individuals in the population
The frequency of the allele continued to be high in approximately 90% of the individuals in the population
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The frequency of the allele in the population started very low and continued to increase over time
The frequency of the allele in the population started very high and continued to decrease over time
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