| A | B |
|---|
| heredity | the passing of traits from parents to offspring |
| gene | certain coded information used to form a creature from a fertilized egg. (Small part of a chromosome made of DNA. |
| dominant | a genetic factor that blocks another genetic factor. (The gene that controls the trait) Br (Upper case letter) |
| recessive | the factor that is blocked when a dominant factor is present. (the genet that doesn't affect the trait.) example: bl - lower case) |
| genotype | the genes a person has for a trait |
| phenotype | the physical characteristic that a person has for a trait |
| heterozygous | genotype has two different genes for a trait |
| homozygous | genotype contains two fo the same genes for a trait |
| trait | a physical characteristic |
