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10-29
| Question | Answer |
|---|---|
| What does the G2 checkpoint do? | check to see if DNA replicated properly |
| WHat does the spindle checkpoint do? | Check to see if spindle apparatus came in properly |
| What must be present in order to pass through checkpoints? | Cyclin and cyclin dependent kinase must assemble |
| What is like the gas pedal? | Growth factor |
| What are the 2 genes for coding protein? | Proto-oncogenes-good and Oncogenes-bad |
| What is synthesized to remove a blocking protein? | Tumor suppressor genes |
| What is a common mutation in cancer? | p53 |
| How many cells are in the end of one round of mitosis? | 2 |
| When does meiosis occur? | Sexual reproduction |
| WHat is syngamy? | Fertilization |
| What is a zygote? | diploid state restored from fertilization |
| How many rounds of division are in meiosis? | 2 |
| How many cells does meiosis produce? | 4 |
| In what phase of meiosis is leptotene, zygotenene, pachetenene, diplote, and diatenesis | Prophase 1 |
| What occurs in prohase 1? | same as in mitosis but homologous pairs find eachother and pair up using a synaptonemal complex |
| Where does crossing over occur? | Chiasmata region |
| What is a tetrad? | after crossing over |