| Term | Definition |
| Gonads | Sex Organs |
| Gametes | Sex Cells |
| Austosomes | All chromosomes except XX or XY |
| Homologous Chromosomes | Chromosomes with same genes |
| Allale | Genes which control same trait on Homologue |
| Prophase I | C'tids coil together, Homologues pair find each other |
| Tetrad, Bivalent | Name of Paired Homologues |
| Synapsis | Homologues exchange pieces of DNA. Common forms of genetic variation. (Crossing Over) |
| Metaphase I | Homologues line up on equator of spindle |
| Anaphase I | Homologues seperate |
| Telophase I | Homologues cluster at end of Poles. End of Meiosis I. |
| Interkinesis | Between Telophase I and Prophase II. DNA does not replicate. Haploid cells. |
| Meiosis II | PII, MII, AII are same. Same as mitosis |
| Spermatogenesis | Male reproductive cells |
| Oogenesis | Female reproductive cells. |
| Meiosis | Creates 4 equal sized cells. |
| Eggs | Three Polar Bodies die. One egg stays alive. Largest cell in female body. |
| Sperm | Four equal cells. Smaller than eggs. |