| Term | Definition |
|---|
| Zygote | fertilized egg; union of sperm and egg |
| Spermatogenesis | formation of sperm |
| Interphase I | DNA replication; 46 X 2= 92 |
| Prophase I | Synapsis |
| Synapsis | Movement of homologous chromosomes linging up together forming a tetrad to accomplish crossing over |
| Late Prophase I | Primary Spermacyte |
| Metaphase I | Tetrads line up along equator |
| Anaphase I | Tetrads pull apart; disjunction |
| Telophase I | Complete cytokinesis into 2 seconday spermacytes; 23 dyads/46 chromosomes |
| Interphase II | No replication |
| Prophase II | No crossing over |
| Metaphase II | Dyads on equator |
| Anaphase II | Dyads disjoin |
| Telophase II | Complete cytokinesis into 4 haploid spermatids |
| Sperm | spermatids + flagellum |
| Oogenesis | the creation of an egg |
| Cytoplasm | divides unequally |
| Interphase I | Chromosomes replicate |
| Prophase I | Synapsis, tetrads cross over |
| End of Prophase I | primary oocyte |
| Metaphase I | tetrads on equator |
| Anaphase I | Tetrads disjoin forming dyads |
| Telophase I | Unequal cytokinesis; remain one secondary oocyte and one polar body |
| Interphase II | No replication |
| Prophase II | No crossing over |
| Metaphase II | Dyads line up across equator |
| Anaphase II | Dyads disjoin |
| Telophase II | Unequal cytokinesis forming ootid and second polar body |
| Egg | Mature ootid;haploid |
Combine with other sets
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