Across
- 3. The observable characteristics of an organism
- 4. The passing of traits from parents to offspring
- 7. A reproductive cell containing half the normal chromosome number
- 9. The molecule that carries genetic information in cells
- 11. A grid used to predict the outcome of genetic crosses
- 15. Co-discoverer of the structure of DNA
- 17. A long strand of DNA containing many genes
- 20. Having two different alleles for a trait
- 21. The combination of alleles an organism possesses
- 22. Cell division that produces gametes
- 23. An individual who has one recessive allele but does not show the trait
- 25. Co-discoverer of the structure of DNA
Down
- 1. An allele that is expressed when only one copy is present
- 2. The process by which DNA makes a copy of itself
- 5. A specific characteristic that can be inherited
- 6. A family tree diagram used to track inheritance of traits
- 8. An alternative form of a gene
- 10. The cell structure where DNA is found in eukaryotes
- 12. Having two identical alleles for a trait
- 13. Scientist whose X-ray diffraction images contributed to understanding DNA structure
- 14. A section of DNA that codes for a protein
- 16. The shape of the DNA molecule
- 18. A change in the DNA sequence
- 19. A molecule produced from gene expression
- 24. An allele that is only expressed when two copies are present