Genetic Variation

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Across
  1. 1. alleles present in an individual.
  2. 4. number of differences in DNA among individuals within a species or population.
  3. 6. observable characteristics.
  4. 7. variations of a gene.
  5. 8. a key mechanism of evolution where organisms better adapted to their environment tend to survive and produce more offspring.
Down
  1. 2. conditions where an organism lives.
  2. 3. ability to survive and reproduce.
  3. 5. used to predict the probability of genotypes within a mating pair.