Across
- 3. Choosing parents to produce desired traits
- 4. Physical expression of genotype
- 7. Cell division producing gametes
- 9. Transmission of traits from parents to offspring
- 11. Offspring showing genetic similarities
- 12. Producing genetically identical organisms
- 15. Allele expressed only when two copies are present
- 16. Allele expressed even if only one copy is present
- 19. Example of continuous variation
- 20. Example of discontinuous variation
- 23. Having two different alleles
- 25. Trait that helps survival in environment
- 26. Unit of inheritance controlling a characteristic
- 27. Passing on genetic information from one generation to the next
- 28. Cell division for growth and repair
- 29. Structure containing genes
Down
- 1. Condition caused by abnormal genes
- 2. Variation with distinct categories, e.g. blood group
- 5. Sex cell carrying genetic information
- 6. Differences between individuals of the same species
- 8. Change in DNA sequence
- 10. Different forms of a gene
- 13. Having two identical alleles
- 14. Process where better adapted organisms survive and reproduce
- 17. Diagram showing inheritance of traits
- 18. Variation with a range of values, e.g. height
- 21. Molecule carrying genetic information
- 22. Cell formed when gametes fuse
- 24. Gradual change in species over time
- 26. Genetic makeup of an organism