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Transcript
Cell Division
Mastery Assignment Key
1.
In which phase of the cell cycle does DNA replication occur?
v
(A)
(B)
(C)
(D)
2.
In the diagram below, which structure is indicated by the arrow?
v
(A)
(B)
(C)
(D)
3.
If a parent cell has 24 chromosomes and undergoes meiosis, how many chromosomes will
be found in each new daughter cell?
v
(A)
(B)
(C)
(D)
G1
G2
M
S
cell plate
cell wall
cleavage
cytoplasm
6
12
24
48
4.
Why is there only one functional egg cell produced after completion of oogenesis?
v
(A)
(B)
(C)
(D)
5.
Where are the mitochondria located in a sperm cell?
v
6.
v
7.
(A)
(B)
(C)
(D)
failure of chromatids to separate
failure of homologous chromosomes to separate
insufficient amount of genetic material
unequal division of cytoplasm during meiosis I and II
acrosome
head
middle piece
tail
A queen bee can produce offspring without contribution of sperm. What is this mode of
reproduction?
(A)
(B)
(C)
(D)
binary fission
budding
parthenogenesis
spore production
Which diagnostic technique enables direct observation of a developing fetus?
(A)
(B)
amniocentiesis
chorionic villi sampling
Page 1 of 17
B iology 3201 August 2007
v
(C)
(D)
8.
Which chromosomal abnormality is shown in the karyotype below?
v
(A)
(B)
(C)
(D)
9.
fetoscopy
genetic markers
Down Syndrome
Jacobs Syndrome
Kleinfelter Syndrome
Turner Syndrome
Which phase is indicated in the diagram below?
(A)
anaphase
(B)
metaphase
v (C) prophase
(D) telophase
10. An error in which stage of meiosis would produce a human egg cell with 24
chromosomes?
v (A) anaphase (I)
(B)
(C)
(D)
prophase (I)
metaphase (II)
telophase (II)
B iology 3201 August 2007
Page 2 of 17