genetics

12345678910111213
Across
  1. 2. - Differences in traits among individuals of the same species.
  2. 5. - Different forms of a gene that determine specific traits.
  3. 8. Selection - The process by which organisms better adapted to their environment tend to survive and reproduce.
  4. 9. - Units of inheritance that determine specific characteristics.
  5. 10. - A feature that improves survival and reproduction.
  6. 12. - External factors that influence traits and characteristics.
  7. 13. - A change in the DNA sequence that can lead to variation.
Down
  1. 1. - The ability to continue living and reproducing.
  2. 3. - An allele that expresses its trait only when two copies are present.
  3. 4. - Characteristics of an organism.
  4. 6. - Structures that carry genetic information within cells.
  5. 7. - Passing genetic information from parents to offspring.
  6. 11. - An allele that expresses its trait even when only one copy is present.