Across
- 3. An allele that is only expressed when two copies are present (hidden by a dominant allele).
- 5. The study of how characteristics are passed from parents to offspring.
- 7. The physical appearance or trait expressed by an organism (e.g., black fur).
- 10. Having two different alleles for a particular gene (e.g., Bb).
Down
- 1. A small furry mammal often used in genetics experiments.
- 2. A section of DNA that codes for a specific trait (e.g., fur colour).
- 4. The genetic makeup of an organism (the alleles it carries).
- 6. An allele that is always expressed if present.
- 8. Having two identical alleles for a particular gene (e.g., BB or bb).
- 9. A version of a gene (e.g., the "brown eyes" version).
