Download CELL CYCLE Study Guide The nuclear state of a diploid cell is

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CELL CYCLE Study Guide
1. The nuclear state of a diploid cell is __________ and a haploid cell is __________.
2.
Describe how DNA is tightly packaged into chromosomes.
3. Define homologous.
4. Below is a diagram of one set of chromosomes before and after replication. Label the centromere, the
sister chromatids, and the homologous chromosomes.
Would the above figure represent a diploid or haploid cell? Explain.
5. Contrast sex chromosomes with autosomes.
6. What chromosomes determine gender?
What would a female have?
7. a) Label the diagram to the right. Use the following:
Interphase, M-phase (including PMAT), Cytokinesis,
G1, S, G2,
b) What happens during
Interphase:
Mitosis:
Cytokinesis:
8. What are the main purposes of mitosis?
What is produced from mitosis?
9. Sketch a cell in each phase of mitosis. Label what each phase is.
10. What process occurs during the S phase of Interphase? (Hint: we learned about it last unit).
11. What is the purpose of meiosis?
What is produced from meiosis?
12. How many chromosomes do you get from your mom?
How many from your dad?
What’s the total number of chromosomes in each of your body cells?
13. Fill in the table below.
MITOSIS
MEIOSIS
Number of divisions
Genetic composition as
compared to parent cell
Number of daughter cells
produced
Nuclear state of cell
Example cells
Purpose
14. What is crossing over and when does crossing over occur?
15. There are two laws associated with meiosis. Define them.
Independent assortment
Segregation
16. Name two causes of cancer.
17. What is a karyotype?
How can a karyotype be used to determine if someone has a chromosomal abnormality?