Across
- 5. The study of heredity and the variation of inherited traits.
- 6. The exchange of genetic material during meiosis.
- 7. A form of a gene that is masked when a dominant allele is present.
- 9. Paired chromosomes that have the same sequence of genes.
- 11. A segment of DNA that determines a specific trait.
- 12. An organism with an extra set of chromosomes.
- 15. An organism with a mix of two different traits.
- 17. A reproductive cell, such as an egg or sperm.
- 18. A cell with two sets of chromosomes, one from each parent.
Down
- 1. Having two identical alleles for a particular gene.
- 2. The observable expression of a trait.
- 3. The process that occurs during meiosis to increase genetic diversity.
- 4. Having two different alleles for a particular gene.
- 8. The fusion of gametes during reproduction.
- 10. The genetic makeup of an organism.
- 13. A variant form of a gene.
- 14. A cell that contains half the number of chromosomes as the parent cell.
- 16. A form of a gene that is expressed even if only one copy is present.