Genetics Vocabulary

2. A chart used to predict the genetic outcomes of a cross.
3. The physical appearance of a trait (e.g., brown eyes).
4. The likelihood of a genetic outcome.
10. An allele that is hidden by a dominant allele.
12. A characteristic, such as eye color or height, passed from parents to offspring.
14. When neither allele is completely dominant, resulting in a blend of traits.
15. A structure in the cell's nucleus that contains DNA.
17. A pair of chemical building blocks in DNA (A pairs with T, C pairs with G).
18. The molecule that contains genetic information.
20. The genetic makeup of an organism (e.g., Bb or bb).
21. The part of the cell that holds chromosomes.

1. The passing of traits from parents to offspring.
4. A chart that shows family relationships and how traits are inherited.
5. All the genetic material of an organism.
6. An allele that hides the presence of a recessive allele in a trait.
7. A segment of DNA that determines a specific trait.
8. A version of a gene, such as dominant or recessive.
9. An individual who has one recessive allele for a trait but does not show the trait.
11. A change in the DNA sequence that can affect traits.
13. When both alleles in a pair are expressed equally (e.g., AB blood type).
16. Having two identical alleles for a trait (e.g., BB or bb).
19. Having two different alleles for a trait (e.g., Bb).