Chapter 17

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Across
  1. 2. any change in a sequence of DNA.
  2. 5. occurs during gamete formation.
  3. 7. is a trait controlled by only one gene.
  4. 9. one end of bell-curve has higher fitness.
  5. 10. is controlled by 2 or more genes.
Down
  1. 1. is all the genes, and alleles, in the population.
  2. 3. middle of the curve has higher fitness.
  3. 4. is the number of times that the allele occurs in a gene pool, compared with the number of times other alleles for the same gene occure.
  4. 6. both ends of the curve have a higher fitness than the middle.
  5. 8. is a group of individuals of the same species that can be interbreed.