Across
- 2. When both alleles for a gene are fully expressed
- 3. Also known as heterozygous
- 8. When a gene has two or more alleles
- 10. Hidden whenever the dominant allele is present
- 12. A region in which two sister chromatids are tightly joined together
- 14. A chart that shows all the possible combinations that can occur from a genetic crossing
- 15. The passing of traits from parent to offspring
Down
- 1. An allele whose trait always shows up in the organism when the allele is present
- 4. When one allele is not completely dominant over another resulting in a blending of traits
- 5. Traits that are controlled by two or more genes
- 6. A characteristic that a parent can pass down to offspring
- 7. also known as homozygous
- 9. An organism's physical appearance
- 11. Threadlike structure that is within the nucleus containing genetic information
- 12. One of two identical strands into which a chromosome splits during mitosis
- 13. An organism's allele combination