Across
- 2. – A tightly coiled structure of DNA and proteins
- 3. – The molecule that carries genetic information
- 5. – Having two identical alleles for a trait
- 8. – The genetic makeup of an organism
- 10. – A visual display of chromosomes
- 12. – Having two different alleles for a trait
- 15. – The square used to predict genetic outcomes
- 17. – An allele expressed only when two copies are present
- 18. – An allele that masks another allele
- 19. – A characteristic passed from parents to offspring
- 20. – A segment of DNA that codes for a trait
Down
- 1. – The passing of traits from one generation to the next
- 4. – An alternative form of a gene
- 6. – A change in the DNA sequence
- 7. – A three-nucleotide sequence that codes for an amino acid
- 9. – Cell division that produces gametes
- 11. – The physical expression of a trait
- 13. – The process of copying DNA
- 14. – Genes located close together on the same chromosome
- 16. – Cell division for growth and repair