The Neutral Theory of Evolution

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Across
  1. 4. a technique used by evolutionary biologists to approximate the time two species diverged (hint: 2 words, no space)
  2. 5. also known as silent mutations, this type of substitution results in a change in nucleotide sequence that doesn't affect the amino acid (protein) sequence
  3. 6. the ________ neutral theory of evolution provides a relationship between population size and the rate of molecular evolution
  4. 10. a mutation where a purine is exchanged for another purine or a pyrimidine for another pyrimidine; a synonymous ________
  5. 12. a form of natural selection that selects for a trait/mutation in a population
Down
  1. 1. the evolutionary theory which states that variation in a population is mostly due to neutral mutations
  2. 2. a type of substitution that results in the changing of the nucleotide sequence, which in turn changes the amino acid (protein) sequence
  3. 3. a mutation where a purine is exchanged for pyrimidine or vice versa; a synonymous ____________
  4. 7. greatest EEB390 GSI ever
  5. 8. the process of random fluctuation in allele frequencies due to sampling effects
  6. 9. Professor Smith has an impressive one of these
  7. 11. this form of natural selection selects against a trait/mutation in a population