| A | B |
|---|
| heredity | The passing of traits from parent to offspring. |
| allles | Different forms of a single gene. |
| genotype | The inherited combination of alleles. |
| phenotype | An organism’s inherited appearance. |
| genes | Segments of DNA that carry hereditary instructions and are passed from parent to offspring; located on chromosomes. |
| probability | The mathematical chance that an event will occur. |
| recessive trait | A trait that is apparent only when two recessive alleles for the same characteristics are inherited. |
| dominant trait | The trait observed when at least one dominant allele for a characteristic is inherited. |
| meiosis | Cell division that produces sex cells. |
| sex cells | An egg or sperm; a sex cell carries half the number of chromosomes found in other body cells. |
| Homologous Chromosomes | Chromosomes with matching information |
| sex chromosomes | The chromosomes that carry genes that determine the sex of offspring. |
