Genetics

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Across
  1. 5. Having two identical alleles for a gene.
  2. 9. Having two different alleles for a gene.
  3. 11. Different versions of the same gene.
  4. 12. An allele that shows its trait even when only one copy is present.
  5. 13. An allele that shows its trait only when two copies are present.
  6. 15. – One of the four DNA bases that pairs with thymine.
Down
  1. 1. A diagram used to predict the possible genetic outcomes of a cross.
  2. 2. A molecule that helps carry instructions from DNA to make proteins.
  3. 3. – One of the four DNA bases that pairs with cytosine.
  4. 4. The genetic makeup of an organism (the alleles it has).
  5. 6. A characteristic or feature of an organism, such as eye color or height.
  6. 7. A long, tightly packed structure of DNA found in the nucleus of a cell.
  7. 8. The physical appearance or expressed trait of an organism.
  8. 10. A small section of DNA that controls a specific trait.
  9. 14. The molecule that carries genetic information and instructions for making an organism