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