Genetics Crossword Puzzle

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Across
  1. 2. A notable feature or quality of an organism.
  2. 5. The genetic makeup of an organism based on the alleles present.
  3. 7. Two different alleles for a trait. Example: Tt
  4. 10. DNA nitrogen base that starts with A.
  5. 13. The diagram shows the possible genotypes and phenotypes of the offspring and the ratios of each produced.
  6. 17. Two chromosomes, identical in size, shape, and centromere site, carrying the genes controlling identical characteristics.
  7. 20. A change in the DNA.
  8. 21. Type of mutation when an extra base is added.
  9. 22. A small section of DNA.
Down
  1. 1. A physical or chemical agent that causes mutations in DNA.
  2. 3. The trait that can be covered up and has less influence over the traits an offspring will have.
  3. 4. An organism with two alleles that are the same. Example: TT or tt
  4. 6. DNA nitrogen base that starts with T.
  5. 8. The science of heredity.
  6. 9. Type of mutations caused when a base is left out.
  7. 11. Type of mutation when one base replaces another.
  8. 12. DNA nitrogen base that starts with C.
  9. 14. When each parent donates one set of instructions to the offspring, the offspring will have 2 forms of the same gene for every characteristic.
  10. 15. The actual physical appearance/characteristic of the organism.
  11. 16. The type of trait that has more influence and can cover up other traits.
  12. 18. DNA nitrogen base that starts with G.
  13. 19. The passing of traits from parent to offspring.