Asexual and Sexual Reproduction Review

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Asexual and Sexual Reproduction Review
Name: __________________________________________ Date: _______________ Period: ____
Read Chapter 3 sections 1 and 4 in your books and complete the statements.
Content Vocabulary:
1. Many female animals are born with all their ____________________.
2. Bacteria reproduce by a process called ______________________.
3. The cell formed from the fusion of egg and sperm is called a _______________________.
4. ____________________ reproduction is the most common form of reproduction in eukaryotes.
5. ____________________ reproduction results in offspring that are genetically identical to the
parent.
6. Producing a new organism form a body part is known as ________________________.
7. Yeast cells produce by _____________________, in which a new organism forms on the parent
organism.
8. ____________________ is the method of asexual reproduction developed by scientist in the
laboratory.
Reading Review:
1) Sexual Reproduction
a) ____________________ combines genetic material from two different parent cells.
b) Sexual reproduction creates genetic variation, which helps populations survive changing
______________________ conditions and _______________________.
c) The major disadvantages of sexual reproduction are the need to get
__________________________ and ______________________ together, the time needed
for organisms to reach and age when they can ______________________.
2) Asexual Reproduction
a) __________________________ reproduction produces offspring from as single parent that is
__________________________ to the parent organism.
b) Asexual reproduction takes __________________________ time and energy than sexual
reproduction, and organism well- _________________________ to the environment always
produce well-adapted offspring.
c) Lack of genetic _________________________ makes populations more susceptible to
disease, changes in the environment, and harmful __________________________.
3) Type of Asexual Reproduction
a) Bacteria, which have no nucleus, reproduce by _______________________, or producing two
identical cells.
b) Some single-celled eukaryotes reproduce by ________________________, followed by cell
division.
c) Yeast reproduces by ___________________________, in which a new organism forms on the
parent.
d) Many plants can reproduce from _________________________, in addition to reproducing
sexually.
e) _____________________________ produces a new organism from part of an animal’s body.
f) Cloning
g) Scientists can ________________________ plants to produce identical plants with desirable
genetic traits.
h) Animals can be cloned in the laboratory, but they are often not as
___________________________.
Short Response
1. Compare a sexually produce offspring to its parents.
________________________________________________________________________________
________________________________________________________________________________
2. How does genetic variation affect the survival of a species? _______________________________
________________________________________________________________________________
3 Why brothers who have the same parents are not identical? ______________________________
________________________________________________________________________________
4. Compare and asexually produced offspring to its parents.
________________________________________________________________________________
________________________________________________________________________________
5. What are two disadvantages of asexual reproduction? ___________________________________
________________________________________________________________________________
________________________________________________________________________________
6. Yeasts are commonly used to make bread and reproduce asexually. How might the bread be
affected if yeast could reproduce only sexually? __________________________________________
________________________________________________________________________________
________________________________________________________________________________
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