1. _____________ is a kind of
cell division that produces
haploid cells with ½ the number
of chromosomes of the parent
cell.
5. The group of 4 chromatids
that forms during synapsis is
called a _____________.
A. mitosis
B. meiosis
2. During oogenesis, the
cytoplasm is divided UNEVENLY
so that only one mature egg is
produced along with three
_________________.
6. The exchange of genetic
material between arms of
homologous chromosomes is
called________.
3. The pairing up of homologous
chromosomes during meiosis is
called _______________.
7. During which phase of
meiosis does synapsis happen?
4. Cells undergo meiosis to
________________.
8. During which phase of
meiosis does crossing over
happen?
A. grow bigger
B. repair injuries
C. replace worn out cells
D. make gametes
9. During which phase of
meiosis does independent
assortment happen?
10. In MEIOSIS a 2n parent
cell divides to produce
(Pick one answer for each
blank)
12. The random separation and
mixing up of maternal and
paternal chromosomes during
anaphase I is called
____________________.
___ __________ _____ cells
2
identical
1n
or
or
or
4
different
2n
11. The production of mature
sperm cells is called
___________________.
13. The production of
offspring from one parent
without joining gametes is
called _____________
reproduction.
14. What happens to the polar
bodies produced during
oogenesis?
15. Tell one advantage of
asexual reproduction.
19. Sperm and egg cells are
also called ________
20. The production of mature
egg cells is called
__________________.
16. Name the three processes
that happen during meiosis
which result in genetic
recombination.
21. ____________ cells have
one copy of each chromosome.
17. Body cells are also called
__________ cells.
22. Tell the phase that gets
skipped in meiosis.
18. 2n cells that have two
copies of each kind of
chromosome are called
____________.
23. Name the cell part that
provides the energy to move
the chromosomes during
meiosis.
24. Name the cell part that
helps polar bodies do apoptosis.
28. Why does meiosis during
spermatogenesis produce 4
sperm cells but meiosis during
oogenesis produce only 1 egg
cell?
25. Where in the body would
you expect to find cells
undergoing meiosis?
29. Sperm or egg cells are
haploid or diploid?
26. Tell one advantage of
sexual reproduction.
30.
Tell 3 ways mitosis and
meiosis are different
27. The separation of
homologous chromosomes during
meiosis is called
_____________.
ANSWERS
MEIOSIS CARD REVIEW
ANSWER KEY
1. meiosis
2. polar bodies
3. synapsis
4. D. make gametes (A-C
are reasons to do mitosis)
5. tetrad
6. crossing over
7. Prophase I
8. Prophase I
9. Anaphase I
10. 4 different 1n
11. spermatogenesis
12. independent
assortment
13. asexual 14. Self digest using
apoptosis
15. Don’t need a partner;
make lots of offspring fast
16. Crossing over,
segregation, independent
assortment
17. somatic
18. diploid
19. gametes
20. oogenesis
21. Haploid (1n)
22. Interphase II
23. mitochondria
24. lysosomes
25. ovary or testes
26. Provides variety; allows
species to adapt to changes
in environment; foundation
for evolution
27. segregation
28. All cytoplasm ends up in
one cell to provide best
start for growing baby
29. haploid
30.
MITOSIS
Makes cells that are identical to parent and
each other
MEIOSIS
Makes cells that are different from parent and
each other
Makes 2n diploid cells
Makes 2 daughter cells
Makes 1n haploid cells
Makes 4 daughter cells
Makes somatic cells
Used for growth; repair injuries;
replace worn
out cells
Makes gametes
Used for sexual reproduction
Happens in all kinds of body cells
NO synapsis/crossing over
Happens only in ovary/testes cells
Synapsis/crossing over in Prophase I
NO segregation
NO independent assortment
Copy DNA every time cell divides
Segregation/Independent assortment at
Anaphase I
Divide twice; copy DNA once
skip Interphase II
NO genetic recombination
Genetic recombination
31. S phase
32. anaphase
33. late Telophase
34. A , D, E, C, B
35. centromere
36. chromatin
37. metaphase
38. interphase
39. centrioles
40. binary fission
42. interphase
43. homologous
44. False
45. Telophase
46. Interphase
47.anaphase
48. True in Mitosis; false in
Meiosis
49. spindle fibers
51. S phase
52. late prophase( prometaphase)
53. centrosome
55. cytokinesis
56. A cleavage furrow is forming
instead of a cell plate which
forms during cytokinesis in plant
cells in order to make the cell
wall
57.telophase
58. G1, S, G2
59. cytokinesis
60. telophase
61. cytokinesis
62. cell plate