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AIm 35: Mitosis vs. Meiosis
1. Which statement concerning the reproductive cells in the diagram
below is correct?
1) The cells are produced by mitosis and contain all the genetic
information of the father.
2) If one of these cells fertilizes an egg, the offspring will be
identical to the father.
3) Each of these cells contains only half the genetic
information necessary for the formation of an offspring.
4) An egg fertilized by one of these cells will develop into a
female with the same characteristics as the mother.
2. The sorting and recombining of genes during meiosis and
fertilization usually leads to the production of
1) gametes with many copies of the same chromosome
2) embryos with traits identical to those of all other members
of the species
3) zygotes with the genetic information to produce only
females
4) offspring with some traits that did not appear in their parents
3. Which process usually results in offspring that exhibit new
genetic variations?
1)
1) offspring were adapting to different environments
2) offspring were produced from different combinations of
genes
3) parent fish had not been exposed to mutagenic agents
4) parent fish did not reproduce sexually
6. Some cells involved in the process of reproduction are
represented in the diagram below
The process of meiosis formed
1) cell 1, only
3) cell 3, only
2) cells 1 and 2
4) cells 2 and 3
7. Which statement correctly describes the genetic makeup of the
sperm cells produced by a human male?
1) Each cell has pairs of chromosomes and the cells are usually
genetically identical.
2) Each cell has pairs of chromosomes and the cells are usually
genetically different.
3) Each cell has half the normal number of chromosomes and
the cells are usually genetically identical.
4) Each cell has half the normal number of chromosomes and
the cells are usually genetically different.
8. Down syndrome is a genetic disorder caused by the presence of
an extra chromosome in the body cells of humans. This extra
chromosome occurs in a gamete as a result of
2)
1)
2)
3)
4)
3)
an error in the process of cloning
an error in meiotic cell division
a gene mutation
replication of a single chromosome during mitosis
9. Most cells in the body of a fruit fly contain eight chromosomes.
In some cells, only four chromosomes are present. What is
this condition a direct result of?
4)
4. The least genetic variation will probably be found in the offspring
of organisms that reproduce using
1)
2)
3)
4)
5. A single pair of goldfish in an aquarium produced a large number
of offspring. These offspring showed variations in body shape
and coloration. The most likely explanation for these variations is
that the
mitosis to produce a larger population
meiosis to produce gametes
fusion of eggs and sperm to produce zygotes
internal fertilization to produce an embryo
1)
2)
3)
4)
mitotic cell division
meiotic cell division
embryonic differentiation
internal fertilization
10. In human females, how many egg cells are formed as a result of
one primary sex cell undergoing normal meiotic cell division?
1) 1
2) 2
3) 3
4) 4
11.The diagram below illustrates some of the changes that occur during gamete formation.
Which graph best represents the changes in the amount of DNA in one of the cells at each stage?
1)
2)
3)
4)
12. The distribution of chromosomes in one type of cell division is
shown in the diagram below.
14. Each body cell of a chimpanzee contains 48 chromosomes. How
many chromosomes would normally be present in a gamete
produced by this chimpanzee?
1) 24
2) 36
3) 48
4) 96
15. Which two structures of a frog would most likely have the same
chromosome number?
Which process is represented in the diagram?
1) asexual reproduction
3) mitosis
2) meiosis
4) vegetative propagation
13. The diagram below represents a reproductive process.
1)
2)
3)
4)
skin cell and fertilized egg cell
zygote and sperm cell
kidney cell and egg cell
liver cell and sperm cell
16. Which statement describes asexual reproduction?
1) Adaptive traits are usually passed from parent to offspring
without genetic modification.
2) Mutations are not passed from generation to generation.
3) It always enables organisms to survive in changing
environmental conditions.
4) It is responsible for many new variations in offspring.
17. Which statement is true of both mitosis and meiosis?
The three structures indicated by letter X are known as
1)
2)
3)
4)
ova
embryos
polar bodies
homologous chromosomes
1)
2)
3)
4)
Both are involved in asexual reproduction.
Both occur only in reproductive cells.
The number of chromosomes is reduced by half.
DNA replication occurs before the division of the nucleus.
18. A sperm cell of an alligator has 16 chromosomes. What is the
total number of chromosomes normally present in a stomach
cell of this alligator?
1) 8
2) 16
3) 32
4) 48
19. Which two processes are involved in mitotic cell division?
1)
2)
3)
4)
chromosome duplication and cytoplasmic division
chromosome duplication and cytoplasmic duplication
spermatogenesis and cytoplasmic duplication
oogenesis and cytoplasmic division
20. The diagram below represents chromosomes in a zygote.
22. The phrases below describe several events that occur during the
process of mitosis.
(A) attachment of double-stranded chromosomes to the spindle
apparatus
(B) formation of single-stranded chromosomes, which are
moved to opposite ends of the cell
(C) disintegration of the nuclear membrane
(D) nuclear membrane formation around each set of
chromosomes, forming two nuclei
(E) synthesis of a spindle apparatus
Which sequence represents the correct order of these events?
Which diagrams best illustrate the daughter cells that result
from normal meiotic cell division of this zygote?
1)
1) A
3) A
B
D
C
E
D
B
E
C
2) B
4) C
D
E
A
A
C
B
E
D
23. The diagram below shows some cells in the meristematic region
of a root tip.
2)
Which statement about these cells is correct?
1)
2)
3)
4)
3)
4)
About 20 percent of the cells are dividing.
About 80 percent of the cells are dividing.
Most of the cells are undergoing meiosis.
Most of the cells will never undergo mitosis.
24. The diagrams below represent a cell process.
21. The diagram below represents a microscopic structure observed
during cell division.
If the cell in diagram 1 contains 4 chromosomes, what is the
total number of chromosomes in each cell in diagram 3?
1) 8
2) 2
3) 16
4) 4
25. Which diagram best represents mitotic cell division?
Which parts of the structure are indicated by arrows A and B,
respectively?
1)
2)
3)
4)
centriole and tetrad
autosome and allele
homologous chromosome and spindle fiber
chromatid and centromere
1)
2)
3)
4)
26. Which is the correct sequence for the stages of mitotic cell
division represented by the diagrams below?
1) A B C D
3) B A D C
2) A C D B
4) B C D A
Base your answers to questions 27 and 28 on the diagram below
and on your knowledge of biology. The diagram represents a
single-celled organism, such as an amoeba, undergoing the
changes shown.
29. Base your answer to the following question on Which process is
illustrated in the diagram below?
1) segregation
3) crossing-over
2) replication
4) nondisjunction
30. Base your answer to the following question on the diagram
below and on your knowledge of biology. The diagram shows
the number and structure of homologous pairs of chromosomes
in a human body cell.
27. Process 1 and process 2 are directly involved in
1) meiotic cell division
3) fertilization
2) mitotic cell division
4) recombination
28. Process 1 is known as
1) replication
3) differentiation
2) meiosis
4) digestion
The process that produces the chromosome abnormality
represented in the diagram is known as
1) replication
3) addition
2) crossing-over
4) nondisjunction