Across
- 4. The base that is always pair up with adenine.
- 6. The set of information that controls a trait; code in the DNA.
- 8. An organism's genetic makeup or allele combinations.
- 9. An allele that is masked when a dominant allele is present.
- 10. Having two identical alleles for a trait.
- 11. The passing of traits from parents to offspring.
Down
- 1. A characteristic that an organism can pass to offspring through genes.
- 2. An allele whose trait always shows up in the organism when it is present.
- 3. An organism's physical appearance or visible traits.
- 5. Having two different alleles for a trait.
- 6. The scientific study of genes and heredity.
- 7. The different forms of a gene.