Chapter 3 Study Guide

taxmanstrongBiotechnology

Dec 11, 2012 (4 years and 4 months ago)

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Life Science

Chapter 5 Study Guide

Name____________________________

Hour____


Pages 144
-
150

1
-

Why do children usually look like both of their parents?


2
-

Is the allele for widow’s peak dominant or recessive? _________________


3
-

What is a gene with
multiple alle
les
?


4
-

Give one example of a trait that is controlled by more than one gene.


5
-

What do
sex chromosomes

do?


6
-

Looking at Figure 5, which sex chromosome results in a boy?_______ Which results in a girl?______


7
-

What are
sex
-
linked

genes?


8
-

What is a
carrier
?


9
-

Wh
ich sex, male or female, can be a carrier for color blindness? ________________

Explain.


10
-

Give 2 examples of characteristics controlled by both genes and the environment.



Pages 151
-
155

1
-

What is a
genetic disorder
?


2
-

Aside from mutations in DNA, what are o
ther causes of genetic disorders?


3
-

List 3 genetic disorders from page 152.


4
-

What is a
pedigree
?


5
-

What is a
Karyotype
?



Pages 157
-
162

1
-

What is
selective breeding
?


2
-

What is a
clone
?


3
-

Is cloning easy in plants?___________

Explain.



4
-

What is
genetic engineerin
g
?


5
-

Do you think that using genetic engineering for food is a good idea?___________________

Explain.




6
-

Do you think that using genetic engineering to cure disease is a good idea?__________________

Explain.




For the Quiz , make sure you . . .


Can define
: Sex
-
linked gene, carrier, pedigree, karyotype, selective breeding, cone, genetic engineering


Understand how the number of phenotypes for a gene can tell you if the gene is dominant/recessive, co
-
dominant, or polygenic inheritance.


Know how sex
-
linked g
enes are passed on and who is more affected by a sex
-
linked condition


Can use a pedigree to track genetic diseases


Can use an karyotype to identify genetic diseases


Understand cases where environment and genes work together to create characteristics