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5 Written Questions

5 Matching Questions

  1. geographic isolation
  2. stabilizing selection
  3. artificial selection
  4. evolution
  5. founder effect
  1. a nature provides the variations, and humans select those they find useful
  2. b form of reproductive isolation in which two populations are separated by geographic barriers such as rivers, mountains, or bodies of water, leading to the formation of two separate subspecies
  3. c takes place when individuals near the center of the curve have higher fitness than individuals at either end
  4. d the process of change over time
  5. e when allele frequencies change as a result of the migration of a small subgroup of a population

5 Multiple Choice Questions

  1. traits that are controlled by two or more genes
  2. a population or group of populations whose members can interbreed and produce fertile offspring
  3. separation of a species or population so that they no longer interbreed and evolve into two separate species
  4. the number of times an allele occurs in a gene pool, compared to the total number of alleles in that pool for the same gene
  5. the formation of a new species

5 True/False Questions

  1. single gene traita trait controlled by only one gene


  2. genetic driftconsists of all the genes, including all the different alleles for each gene, that are present in the population


  3. adaptationthe formation of a new species


  4. directional selectionoccurs when individuals at one end of the curve have higher fitness than individuals in the middle or at the other end


  5. gene poolthe process of change over time


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