Genetics Vocabulary

6. The passing of traits from parents to offspring
7. is the hereditary material in humans and almost all other organisms.
8. An allele whose trait always shows up in the organism when the allele is present.
10. An offspring of crosses that has two different alleles for a trait
12. An organism’s genetic makeup, or allele combinations
16. An allele that is hidden whenever the dominant allele is present
17. A fertilized egg, produced by the joining of a sperm and an egg
18. The process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell
19. Having two identical alleles for a particular gene
20. An offspring of crosses that has the same form of traits

1. an organism combines the genetic information from each of its parents and is genetically unique.
2. A sequence of DNA that determines a trait and is passed from parent to offspring
3. A chart that shows all the possible combinations of alleles that can result from a genetic cross
4. one parent copies itself to form a genetically identical offspring.
5. Having two different alleles for a particular gene
9. A specific characteristic that an organism can pass to its offspring through its genes
11. the physical structure in a cell that contains genetic material
13. An organism’s physical appearance, or visible traits
14. The scientific study of heredity
15. The different forms of a gene