level: Level 1
Questions and Answers List
level questions: Level 1
| Question | Answer |
|---|---|
| what are the 2 gametes of sexual reproduction? | sperm and egg |
| what is spermatogenesis? | creation of sperm, starts with a diploid cell (spermatocyte) |
| what happens after meiosis 1? | forms secondary spermatocytes (haploids) - have a duplicate chromatid with them |
| what happens after meiosis II | all cells are haploid - they have 23 chromosomes |
| spermatids mature into? | sperm |
| what is oogenesis? | creation of egg/ovum |
| starts with... | a diploid cell |
| after meiosis i? | cytoplasm is divided unevenly (one cell gets most of the cytoplasm) |
| what is the cell with the most cytoplasm called? | secondary oocyle |
| what are the smaller cell called? | polar body |
| both cells are? | haploid with all chromosomes duplicated |
| what happens after meiosis ii? | the oocyle is divided unevenly again, most of the cytoplasm goes into ootid |
| what does an ootid mature into? | ovum |
| the female reproductive cell; the female gamete | ovum |
| how many ovums are created | 1 |