Genetics Vocabulary

2. Structures in cells that hold many genes.
5. The process by which traits are passed down.
7. A section of DNA that controls a specific trait.
9. Having two of the same alleles for a trait (AA or aa).
12. Another word for heterozygous (mixed alleles).
14. An allele that only shows its trait if two copies are present (written with a lowercase letter).
15. The genetic makeup of an organism (the alleles it has).
16. The study of how traits are passed from parents to offspring.
18. The likelihood of a certain outcome happening.
19. A chart used to predict possible genetic outcomes of a cross.

1. Different forms of a gene (ex: brown eyes vs. blue eyes).
3. A change in DNA that may affect a trait.
4. Having two different alleles for a trait (Aa).
6. The molecule that carries genetic information.
8. Another word for homozygous (same alleles).
9. The passing of traits from parents to offspring.
10. Differences among individuals in a population.
11. The physical appearance or trait that results from the genotype.
13. An allele that shows its trait even if only one copy is present (written with a capital letter).
17. A physical or behavioral characteristic (ex: eye color, coat type).