Meiosis: Practice Questions
Answer the following questions on a notebook paper and come back to me to check your answers. Use
Power point notes and textbook.
a.
b.
c.
d.
e.
____
____
____
____
____
____
____
Interphase
Prophase-1
Metaphase-1
Anaphase-1
Telophase-1
f.
g.
h.
i.
j.
Prophase-2
Metaphase-2
Anaphase-2
Telophase-2
Cytokinesis
1.
2.
3.
4.
5.
6.
7.
Centromeres split. Chromatids separate.
Nucleus is visible. Chromatin or chromosomes not visible.
Four new un-identical nuclei are formed.
Homologous chromosomes are lined up on the equator.
Diads line up along the cell equator.
Homologous chromosomes are separated without splitting the centromere.
Homologous chromosomes are visible. Two centrioles are visible. Spindle fiber is being formed. Crossing
over takes place.
____ 8. Duplicated chromosomes reach to the poles.
____ 9. Spindle forms. Diads are visible.
____ 10. Four new un-identical cells are formed.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 11. When crossing-over takes place, chromosomes
a. produce new genes.
b. exchange corresponding segments of DNA.
c. mutate in the first division.
d. decrease in number.
____ 12. Figure 3 represents
a. Telophase-2
b. Anaphase-2
____ 13. Figure 2 represents
a. Interphase-1
b. Prophase-1
____ 14. Figure 8 represents
a. Metaphase-2
b. Metaphase-1
____ 15. Figure 9 represents
a. Telophase-1
b. Telophase-2
____ 16. Figure 6 represents
a. Interphase
b. Prophase-2
____ 17. Figure 5 represents
a. Metaphase-1
b. Metaphase-2
____ 18. Figure 4 represents
a. Telophase-2
b. Anaphase-1
____ 19. Figure 1 represents
c. Telophase-1
d. Anaphase-1
c. Interphase
d. Cytokinesis
c. Interphase
d. Prophase-2
c. Anaphase-1
d. Anaphase-2
c. Prophase-1
d. Cytokinesis
c. Prophase-2
d. Interphase
c. Telophase-1
d. Anaphase-2
a. Interphase
c. Prophase-1
b. Metaphase-1
d. Metaphase-2
____ 20. Figure 7 represents
a. Anaphase-1
c. Telophase-2
b. Anaphase-2
d. Telophase-1
____ 21. Figure 10 represents
a. Prophase-1
c. Interphase
b. Metaphase-1
d. Metaphase-2
____ 22. Separation of homologous chromosomes occurs during
a. fertilization.
c. meiosis II.
b. meiosis I.
d. mitosis.
fig 10-4
____ 23. What phase of Meiosis is shown in figure A
a. Telophase 2
b. Anapahse 2
____ 24. What phase of Meiosis is shown in figure B
a. Telophase 2
b. Telophase 1
____ 25. What phase of Meiosis is shown in figure D
a. Anapahse 2
b. Telophase 1
____ 26. What phase of Meiosis is shown in figure C
a. Prophase 1
b. Anapahse 2
c. Anaphas 1
d. Prophase 1
c. Anaphase 2
d. Anaphas 1
c. Telophase 2
d. Anaphas 1
c. Anaphase 1
d. Prophase 2
Fig 10-8
____ 27. In Figure 10-8, which set of chromatids will result if each chromatid crossed with a nonsister chromatid?
a. A
c. D
b. C
d. B
____ 28. The more common name for an ovum is a(n)
a. egg.
c. sperm
b. ovule
d. Gamete.
____ 29. The typical human body cell contains 46 chromosomes. How many chromosomes are found in a typical
human sperm?
a. 45
c. 46
b. 92
d. 23
____ 30. Crossing-over occurs
a. during prophase I.
c. during prophase II.
b. at the centromere.
d. during fertilization.
Fig 10.10
____ 31. Which stage of meiosis is represented in Figure 10-10?
a. metaphase II
c. anaphase I
b. metaphase I
d. anaphase II
Fig: 10.1
____ 32. T Figure 10-1 represent the chromosome number found in each of the dog cells shown. The process that is
occurring at A is ____.
a. mitosis
c. Fertilization
b. pollination
d. meiosis
____ 33. T Figure 10-1 represent the chromosome number found in each of the dog cells shown. The process that is
occurring at B is ____.
a. mitosis
c. pollination
b. meiosis
d. Fertilization
____ 34. Which stage of meiosis is responsible for the law of independent assortment?
a. telophase I
c. prophase I
b. metaphase I
d. metaphase II
____ 35. Which event during meiosis leads to a reduction in chromosome number from 2n to n?
a. Homologous chromosomes travel to opposite sides of the cell.
b. Sister chromatids are pulled apart at the centromere.
c. Pairs of homologous chromosomes line up at the equator.
d. DNA undergoes replication.
____ 36. The difference between anaphase of mitosis and anaphase I of meiosis is that
a. the chromosomes line up at the equator in anaphase I.
b. crossing-over occurs only in anaphase of mitosis.
c. chromatids do not separate at the centromere in anaphase I.
d. centromeres do not exist in anaphase I.
____ 37. The exchange of segments of DNA between the members of a pair of chromosomes
a. always produces genetic disorders.
b. is called crossing.
c. ensures that variations within a species never occur.
d. acts as a source of variations within a species.
____ 38. Using Figure 10-3, which process would result in the formation of chromosome C from chromosomes A and
B?
____ 39.
____ 40.
____ 41.
____ 42.
____ 43.
Figure 10-3
a. crossing over
c. asexual reproduction
b. independent assortment
d. segregation
During which phase of meiosis do homologous pairs of chromosomes line up next to one another along the
equator?
a. metaphase II
c. metaphase I
b. prophase II
d. anaphase I
When crossing-over takes place, chromosomes
a. produce new genes.
b. exchange corresponding segments of DNA.
c. mutate in the first division.
d. decrease in number.
Which is the best description of the events that take place during anaphase II?
a. Homologous chromosomes line up along the equator.
b. Homologous pairs are separated and pulled to opposite sides of the cell.
c. The replicated chromosomes become visible.
d. Sister chromatids are separated and pulled to opposite sides of the cell.
During which phase of meiosis do homologous pairs of chromosomes line up next to one another along the
equator?
a. anaphase I
c. metaphase I
b. prophase II
d. metaphase II
Crossing over would most likely occur during which stage of the cell cycle?
a. when homologous chromomosomes line up in pairs
b. when centromeres are separated
c. when cytokinesis begins
d. when DNA is being replicated