Possible FRQ questions for the Mitosis/Meiosis test
1. The cell cycle is fundamental to the reproduction of eukaryotic cells.
a. Describe the phases of the cell cycle.
- Describe one thing that happens during each one of these phases.
b. Explain the role of THREE of the following in meiosis.
- Kinetochores
- Microtubules (spindle fibers)
- Synaptenomal complex
- Chiasmata
c. Describe how the cell cycle is regulated and discuss ONE consequence of errors.
2. The reduction in number and the rearrangement of chromosomes is essential in meiosis.
a. Explain how the reduction of chromosome numbers occurs as a result of meiosis.
b. Explain how the rearrangement of chromosomes occurs as a result of meiosis.
c. Several human disorders occur as a result of errors in meiosis.
- Identify one of these abnormalities by name and the chromosome affected.
- Describe how the disorder occurred. Be specific in your description.
- What affect does it have on the phenotype of the people with the disorder?
d. Describe parthenogenesis. Compare the genome of the offspring with those of the parent.
3. The energy flow in ecosystems is based on the primary productivity of autotrophs.
a. Discuss the energy flow through an ecosystem and the relative efficiency of which it occurs.
- Begin your answer with the conversion of sunlight into chemical energy through photosynthesis.
Then move that energy through the trophic levels.
b. Discuss the impact of the following on energy flow on a global scale.
- Deforestation
- Global Climate Change