Across
- 3. a new organism begins to form when egg and sperm join in the process of
- 4. different form of characteristic, such a stem height or seed color, is called a trait
- 6. an allele that is masked when a dominant allele is present
- 8. The set of information that controls a trait: a segment of DNA on a chromosome that codes for a specific unit
- 9. the passing of physical characteristics from parents to offspring
- 10. the offspring of many generations that have the same traits
Down
- 1. the scientific study of heredity
- 2. an allele whose trait always shows up in the organism when the allele is present
- 5. the different forms of a gene
- 7. an organism that has two different alleles for a trait: an organism that is heterozygous for a particular trait