Across
- 3. – The molecule that carries genetic information.
- 4. A change in the DNA sequence.
- 5. Having two identical alleles for a gene.
- 6. A section of DNA that codes for a characteristic.
- 7. Different forms of the same gene.
- 8. A long, coiled structure of DNA found in the nucleus.
- 9. The characteristics shown by an organism.
- 10. An allele that is always expressed if present.
- 11. An allele only expressed when two copies are present.
Down
- 1. The genetic makeup of an organism.
- 2. The part of the cell that controls activities and contains DNA.
- 5. Having two different alleles for a gene.
