Lesson 2 Asexual Reproduction
LA.6.2.2.3, SC.7.N.1.1, SC.7.L.16.1, SC.7.L.16.3, SC.7.L.16.4
Skim or scan the heading, boldfaced words, and pictures in the lesson. Identify or predict three facts
you will learn from the lesson. Discuss your thoughts with a classmate.
What is asexual
reproduction?
Study Guide
Chapter Review
Benchmark Practice
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the terms that do not apply to the process.
.
.
Types of Asexual
Reproduction
fertilization
genetically
identical
meiosis
diploid parent
cells
offspring
produced
2 parent
organisms
haploid
daughter cells
Summarize asexual reproduction in your own words.
Identify the 6 types of asexual reproduction.
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.
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136
single parent
organism
Reproduction of Organisms
Types of
Asexual
Reproduction
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Inquiry Lab
Note-taking
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Identify key points about asexual reproduction. Cross out
Lesson 2 | Asexual Reproduction (continued)
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Explain how animal regeneration can produce two results.
.
Animal regeneration
produces
new
.
new
A complete offspring
organisms.
An organism can grow a
when
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.
Identify the structures of plants usually involved in
.
vegetative reproduction.
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Explain how the definition of cloning has changed
.
over time.
Cloning
Today
Chapter Review
Study Guide
In the past
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.
Identify three advantages of using tissue culture to clone plants.
1.
Benchmark Practice
2.
3.
138
Reproduction of Organisms
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Inquiry Lab
Note-taking
.
Lesson 2 | Asexual Reproduction (continued)
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.
Sequence the steps scientists used to produce the cloned sheep,
Dolly.
1. A cell is removed from the first animal. DNA is removed from an
unfertilized egg cell from a second animal.
2. The cells from the two animals are
. The new cell
contains
.
3. The cell develops into an embryo in the lab.
4.
into the
animal that donated the unfertilized egg.
5. A new individual is born. This individual is an
Classify features of asexual reproduction as advantages
or disadvantages. Write “A” for advantage and “D” for disadvantage
in the center column of the table below. Explain your reasoning in
the right-hand column.
Does not require
a mate
Can occur rapidly
Study Guide
Produces little
genetic variation
Use your understanding of asexual reproduction to explain why it is
important that organisms reproduce in a variety of ways.
Chapter Review
Benchmark Practice
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
.
Inquiry Lab
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Note-taking
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Reproduction of Organisms
139