Across
- 2. The study of heredity and the variation of inherited characteristics.
- 5. Having two different alleles for a particular gene.
- 7. Tightly coiled DNA found in the nucleus.
- 9. Specific characteristics or features of an individual.
- 11. The process of the egg and sperm joining together.
- 15. Having two identical alleles for a particular gene.
- 16. The process of change in species over time.
- 17. An allele that is only expressed when two copies are present.
- 18. A group of similar organisms that can reproduce to produce fertile offspring.
- 19. Male reproductive cell.
- 20. Differences in characteristics among individuals of the same species.
- 21. A change in the DNA sequence.
- 22. Each of the two strands of a chromosome.
- 24. Short sections of DNA that determine inherited characteristics.
- 26. The father of modern genetics who studied pea plants.
- 27. Genetic material found in all living cells.
- 30. The genetic makeup of an organism.
Down
- 1. The physical appearance of an organism.
- 3. Traits or features of an organism.
- 4. The children or young of a particular parent or family.
- 6. The passing of traits from parents to offspring.
- 8. The basic building block of DNA.
- 10. Helix The twisted structure of DNA.
- 12. The process by which new organisms are produced from existing organisms.
- 13. The passing of characteristics from parents to offspring.
- 14. The central part of a cell where DNA is located.
- 23. An allele that is always expressed when present.
- 25. Different forms of a gene.
- 28. Female reproductive cell.
- 29. Every person has this type of DNA unless they are identical twins.