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Test Review
“Cell Division, Development, and Reproduction”
Name
_________________________
FILL IN PRACTICE
1. Label and describe the steps of mitosis pictured above.
2A. Use the figure above to help you. What is happening to the nucleus during telophase
and the spindle from prophase to anaphase?
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3. What is the distinction between interphase, mitosis, and cytokinesis?
4. How is cytokinesis represented at right? How is telophase represented
below?
4A. Label the “primary players” of cell division in the above left figure. Hint: Label the nuclear
membrane.
5. The cells at left just divided, they are about to divide again. What
process involves two cell divisions?
5A. What is the chromosome number of the somatic (body) cells of this
species?
5B. What is the chromosome number of the sex (gamete) cells of this
species?
6. What is the figure at left illustrating?
6A. Describe the significance of this to
diversity?
6B. What is the other way meiosis promotes
diversity? Describe it.
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7. Describe the steps of meiosis pictured above.
7A. What is the distinction between meiosis I and meiosis II?
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7B. How many functional cells result from oogenesis (females), from spermatogenesis
(males)?
8. What type of reproduction is represented at
right?
8A. What type of cell division allows for this?
8B. Sketch, name, and describe a few
methods of asexual reproduction.
9. Can you name us (figure at left) and explain why everyone keeps
calling us haploid?
9B. Can you name us (figure at right) and explain
why everyone keeps calling us diploid?
10. The ovary to right of the figure at left is
normal. The one on the left is not. It is
cancerous (carcinoma). Use your
understanding of cancer to explain its size
compared to the healthy ovary.
10A. What type of cell division allows for this
(cancer)?
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14. State one difference and one similarity between asexual and sexual reproduction.
15. Explain what differentiation is?
16. Why is it important that only half the number of chromosomes end up in gametes?
18. Name the process of sperm and egg combining.
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MULTIPLE CHOICE PRACTICE
1. ____ In humans, which cell is produced most directly by mitotic cell division?
A) a sperm cell
B) a skin cell
C) a zygote
D) an egg cell
2. ____ Normal mitotic cell division results in each daughter cell having
A) twice the number of chromosomes as the parent cell
B) half the number of chromosomes as the parent cell
C) the same number and kinds of chromosomes as the parent cell
D) the same number but different kinds of chromosomes as the parent cell
3. ____ When a cell with 24 chromosomes divides by mitotic cell division, the resulting
daughter cells will each have a maximum chromosome number of
A) 12
B) 24
C) 48
D) 6
4. ____ When complex plants are produced by cloning, which process is most directly
involved?
A) gametogenesis
B) mitotic cell division
C) budding
D) meiotic cell division
5. ____ Orchid plants reproduce slowly and take many years to produce flowers when
grown from seeds. One technique that can be used in genetic research to reproduce
rare orchid plants more rapidly is
A) cloning
B) screening
C) inbreeding
D) sexual reproduction
6. ____ Which factor would tend to restrict genetic variations within a species?
A) asexual methods of reproduction
B) sexual methods of reproduction
C) gene mutations
D) recombination of genes
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7. ____ Which usually occurs in the first meiotic division of a primary sex cell?
A) polyploidy
B) fertilization
C) differentiation
D) crossing-over
8. ____ Normally, each cell of a specific organism contains 64 chromosomes. However,
some cells in that organism may each contain only 32 chromosomes as a result of
A) mitotic cell division
B) regeneration
C) meiotic cell division
D) crossing-over
9. ____ In human males, the maximum number of functional sperm cells that is normally
produced from each primary sex cell is
A) one
B) four
C) three
D) two
10. ____ In a species of corn, the diploid number of chromosomes is 20. What is the
number of chromosomes found in each of the normal egg cells produced by this
species?
A) 40
B) 5
C) 10
D) 20
11. ____ One primary sex cell undergoing the process of oogenesis typically results in the
production of
A) four sperm cells
B) one egg and polar bodies
C) one diploid ovum
D) three eggs and polar bodies
12. ____ Ovaries produce reproductive structures known as
A) pollen grains
B) zygotes
C) sperms
D) egg cells
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13. ____ In humans, the fusion of the nuclei of two functional gametes results in the
formation of a
A) monoploid cell
B) polyploid cell
C) zygote
D) cotyledon
15. The process by which homologous chromosomes exchange segments of DNA is
A) crossing-over
B) segregation
C) independent assortment
D) fertilization
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