Natural Selection/Punnett Squares

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Across
  1. 2. the outward observable expression of a genotype.
  2. 4. means "two of the same alleles"
  3. 6. alleles present in an individual.
  4. 7. variation of the same gene.
  5. 9. used to determine the probability of offspring receiving certain traits.
  6. 10. an organisms ability to survive and reproduce.
Down
  1. 1. means "two different alleles"
  2. 3. a group of the same type of organism which live int the same area and reproduce.
  3. 5. the surroundings or conditions in which a person, animal, or plant lives or operates.
  4. 8. a fundamental mechanism of evolution where organisms better adapted to their environment tend to survive and produce more offspring