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AP Biology – Meiosis
Identifying processesOn the lines provided, order the different stages of meiosis I through
meiosis II, including interphase in the proper sequence.
1.
2.
3.
4.
5.
6.
7.
8.
9.

_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________
_____________

homologous chromosomes line up in the center of the cell
spindle fibers pull homologous pairs to the ends of the cell
4 haploid (N) daughter cells form
cells undergo a round of DNA replication
sister chromatids separate from each other
2 haploid (N) daughter cells form
spindle fibers attach to the homologous chromosome pairs
individual chromatids move to each end of the cell
crossing-over occurs

Short answerIn the space provided, answer the following questions.
10. Compare the number and type of cells that results from meiosis and mitosis.

11. How do the genetic content of cells resulting from mitosis and meiosis differ?
Reviewing Key Skills
12. Comparing and ContrastingDescrribe a similarity and a difference between meiosis I
and meiosis II.

13. Applying Concepts If a diploid cell containing 28 chromosomes undergoes meiosis, how
many chromosomes will each daughter cell have?

14. Compare and Contrast: How are mitosis and meiosis similar and different?
Read each statement, then on the line write down the phase of mitosis or meiosis that the
action occurs. IF the action occurs in both, write both. The first one is done for you.

1. Metaphse I Meiosis
2. ____________________________
3. ____________________________
4.
5.
6.
7.
8.
9.

____________________________
____________________________
____________________________
____________________________
____________________________
____________________________

10. ____________________________
11. ____________________________
12. ____________________________
13. ____________________________
14. ____________________________
15. ____________________________
16. ____________________________

Homologous chromosome line up in the
center of the cell
The individual chromosomes move apart.
Spindle fibers pull homologous parts to ends
of the cell
4 haploid (N) daughter cells form
Cells undergo a round of DNA replication
The chromosomes become visible
Sister chromatids separate from each other
2 haploid (N) daughter cells form
Sister chromatids separate into individual
chromosomes
Nuclear envelope re-forms
Spindle fibers attach to the homologous
chromosome pairs
Individual chromatids move to each end of the
cell
Chromosomes line up across the middle of the
cell
The nucleolus disappears and the nuclear
envelope breaks down.
Each chromosome is connected to a spindle
fiber.
Crossing-over occurs

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Ap biology meiosis

  • 1. AP Biology – Meiosis Identifying processesOn the lines provided, order the different stages of meiosis I through meiosis II, including interphase in the proper sequence. 1. 2. 3. 4. 5. 6. 7. 8. 9. _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ homologous chromosomes line up in the center of the cell spindle fibers pull homologous pairs to the ends of the cell 4 haploid (N) daughter cells form cells undergo a round of DNA replication sister chromatids separate from each other 2 haploid (N) daughter cells form spindle fibers attach to the homologous chromosome pairs individual chromatids move to each end of the cell crossing-over occurs Short answerIn the space provided, answer the following questions. 10. Compare the number and type of cells that results from meiosis and mitosis. 11. How do the genetic content of cells resulting from mitosis and meiosis differ? Reviewing Key Skills 12. Comparing and ContrastingDescrribe a similarity and a difference between meiosis I and meiosis II. 13. Applying Concepts If a diploid cell containing 28 chromosomes undergoes meiosis, how many chromosomes will each daughter cell have? 14. Compare and Contrast: How are mitosis and meiosis similar and different?
  • 2. Read each statement, then on the line write down the phase of mitosis or meiosis that the action occurs. IF the action occurs in both, write both. The first one is done for you. 1. Metaphse I Meiosis 2. ____________________________ 3. ____________________________ 4. 5. 6. 7. 8. 9. ____________________________ ____________________________ ____________________________ ____________________________ ____________________________ ____________________________ 10. ____________________________ 11. ____________________________ 12. ____________________________ 13. ____________________________ 14. ____________________________ 15. ____________________________ 16. ____________________________ Homologous chromosome line up in the center of the cell The individual chromosomes move apart. Spindle fibers pull homologous parts to ends of the cell 4 haploid (N) daughter cells form Cells undergo a round of DNA replication The chromosomes become visible Sister chromatids separate from each other 2 haploid (N) daughter cells form Sister chromatids separate into individual chromosomes Nuclear envelope re-forms Spindle fibers attach to the homologous chromosome pairs Individual chromatids move to each end of the cell Chromosomes line up across the middle of the cell The nucleolus disappears and the nuclear envelope breaks down. Each chromosome is connected to a spindle fiber. Crossing-over occurs