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Chapter 8 Review 1
Test Description: Review 1 for chapter 8
Instructions: Answer all questions to get your test result.
1) Anaphase is
A
the period in which DNA is copied
B
the time between cell divisions
C
the first stage of mitosis
D
the phase of mitosis during which chromosomes move to opposite poles
2) The __________________ equally divides an animal cell into two offspring cells.
A
mitotic spindle
B
cleavage furrow
C
S phase
D
G1 Phase
3) The S phase is
A
the first phase of mitosis
B
the period during which DNA is copied
C
the first phase of interphase
D
the production of offspring from one parent
4) If an organism has 12 chromosomes in each body cell, how many chromosomes would you expect to find in the organism's gametes?
A
6
B
10
C
12
D
4
5) During which phase of meiosis do tetrads form?
A
prophase
B
telophase I
C
metaphase II
D
anaphase II
6) The division of the cytoplasm of a eukaryotic cell is called
A
cytoplasmic streaming
B
mitosis
C
cytokinesis
D
binary fission
7) Which of the following events occurs during synapsis?
A
replication of the DNA
B
appearance of spindle fibers
C
division of the cytoplasm
D
pairing of homologues
8) During mitosis and meiosis, kinetochore fibers are thought to
A
control cytokinesis
B
move chromosomes
C
join chromatids
D
make centromeres
9) Histones are proteins that
A
aid in the packing of DNA in eukaryotic cells
B
aid in controlling the activity of regions of DNA
C
All of the above
D
are found only in prokaryotic cells
10) Spermatogenesis results in
A
two sperm cells and two polar bodies
B
four diploid cells
C
four haploid cells
D
one haploid cell and three polar bodies
11) Each offspring cell produced by binary fission contains
A
half the chromosomes of the original cell
B
twice as many chromosomes as the orignial cell had
C
an independent assortment of the original cell's chromosomes
D
an identical copy of the original cell's chromosome
12) Crossing-over results in genetic recombination by
A
randomly separating the maternal and paternal chromosomes
B
reducing the original cell's chromosome number by half
C
permitting the exchange of genetic material between maternal and paternal chromosomes
D
mixing half the maternal chromosomes with half the paternal chromosomes
13) What structure not found in animal cells forms along the midline of a dividing plant cell?
A
chloroplast
B
kinetochore
C
cell plate
D
cleavage furrow
14) Each offspring cell that is produced by mitosis has half as many chromosomes as the original cell had.
A
False
B
True
15) Chromatids form while DNA copies itself before cell division.
A
False
B
True
16) How many of the 46 chromosomes are sex chromosomes?
A
42
B
44
C
2
D
4
17) The production of offspring from one parent is
A
the union of gametes
B
sexual reproduction
C
asexual reproduction
18) A mitotic spindle is present in both types of cells, eukaryotic and prokaryotic cells, during cell division.
A
False
B
True
19) Tetrads line up along the equator of the dividing cell during
A
metaphase of mitosis
B
anaphase of meiosis II
C
metaphase of meiosis II
D
metaphase of meiosis I
20) The female sex cell/gamete is the __________ and the female sex chromosomes are ________.
A
sperm; XY
B
egg; XX
C
ovary; XX
D
egg; XY
*select an answer for all questions
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