Adaptation and Inheritance

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Across
  1. 4. The ability of an organism to stay alive long enough to reproduce.
  2. 6. A structure in cells made of DNA containing many genes.
  3. 7. Differences between individuals of the same species.
  4. 10. A section of DNA that controls a characteristic.
  5. 12. An allele that shows its effect even if only one copy is present.
  6. 15. The gradual change in species over many generations.
  7. 16. Traits passed from parents to offspring through genes.
Down
  1. 1. A group of organisms that can reproduce and produce fertile offspring.
  2. 2. The young produced by parents.
  3. 3. Different versions of the same gene.
  4. 5. The surroundings in which an organism lives.
  5. 8. The chemical that carries genetic information in cells.
  6. 9. An allele that only shows its effect if two copies are present.
  7. 11. A feature that helps an organism survive in its environment.
  8. 13. selection The process where organisms best adapted to their environment survive and reproduce.
  9. 14. Man's best friend