Genetics Vocabulary

1. Having two of the same alleles of a particular gene
3. Different versions of the same gene
4. A change in a gene, one that may produce a new trait that can be inherited
5. The product of the reproductive process
8. An individual animal, plant, or single-celled life form
10. The passing on of physical or mental characteristics genetically from one generation to the next
11. Deoxyribonucleic Acid
12. One of the four different chemical units that make up DNA
14. An organism bred from parents of the same breed
15. Threadlike structures found in the nucleus of most living cells that contains DNA
16. The genetic makeup of an organism
19. An allele whose trait always shows up
21. An allele whose trait only shows up if there is no dominant alleles present.

2. The scientific study of heredity
6. The physical makeup of an organism
7. A unit of heredity which is transferred from parent to offspring and determines some characteristics
9. Reproduction with only one parent
10. The offspring of two plants or animals of differing species
13. Having two different alleles of a particular gene
17. A specific characteristic of an organism, determined by genes or the environment
18. The Father of Modern Genetics
20. A set of all the genes a species has in its chromosomes