Across
- 2. stretch of DNA on a chromosome with instructions for one trait.
- 3. scientific study of heredity.
- 4. structure that is found in the nucleus of a cell that contains DNA.
- 6. organism that has two of the same alleles for a trait.
- 7. organism's physical appearance, or visible traits.
- 8. Trait/Traits that typically do not show in a person unless both genes for the traits are inherited.
Down
- 1. organism that has two different alleles for a trait.
- 2. makeup of an organism.
- 5. Alternate version of a gene.
- 6. passing of a trait from parents to offspring.