genetic drift and natural selection

small quiz on genetic drift and natural selection

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1. an individuals fitness is

  • how long they can excercise for
  • the chance they have of sexually reproducing
  • how genetically advantageous it is due to natural selection
  • a measure of its ability to transmit its alleles to the next generation as a result of natural selection
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2. natural slection decreases the chance of non adapive alleles being passed to the next generation

  • True
  • False

3. directional selection chooses the alleles needed and maintains their adaptions

  • False
  • True

4. speciation is

  • the evolution of a species
  • the differences between different species
  • the evoloution of two or more groups that do not interbreed and are therefore new species

5. what is genetic drift?

  • a change in allele frequency that occurs by chance
  • the frequency of alleles in the population
  • the sum total of alleles
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