Part I. EBSCO online database. (available only for CMS
students)
1. Go to
EBSCO
.
Click on Middle School. Click on MiddleSearch Plus. Do a search (be
sure to mark full text) for color blindness. Select the article
entitled "Hey, Mr. White, that's the wrong color for that'' from
Smithsonian.
a. What is color blindness? ___________________________________________________________
_____________________________________________________________________________________________________________
b. What percentage of American men are color blind? _____________________
c. How many American women are color blind?
___________________________
Part II WorldBook Online (for CMS students only)
1. Go to
WorldBook
Online
. Look up hemophilia.
a. Hemophilia is ___________________________________________________.
b. Almost all hemophiliacs are
________________________________________.
c. Hemophilia is caused by a defective gene on the
_______________________.
Part III Internet
1. We are going to take a tour of a fun site about
genetics called I Can Do That! One click and away we go! We will
start at the
Protein
Synthesis page
.
a. What does the word gene mean?
____________________________________
b. In what year was the word gene made up?
____________________________
2. Now go to the
Genes
page
of the same site.
Genes are stretches of _________ and have assigned
places on the cell's __________________________.
3. Let's go to
DNA
101
at the University of Washington to
find out more.
a. What does DNA stand for?
__________________________________________
b. The genes on chromosomes dictate a particular
_________________________
4. Next, go to
What
is DNA Fingerprinting?
a. T or F (circle one) The chemical structure of
everyone's DNA is the same.
5. Let's click over to a find out about the
Human
Genome Project in a brief online
encyclopedia
.
a. There are approximately _______ genes on the
_____ human chromosomes.
b. There are ___________________ DNA base pairs
that make up the genes in a human.
6. Now that we have more basic knowledge about
DNA, let's go back to the I Can Do That! site. We'll start with
DNA
Introduction.
a. How long is the DNA from a single mammal cell?
________________
b. Draw a DNA strand below.
c. A revolution has occurred in the last few
decades that explains how DNA
makes us
_____________________________________________ and how a
faulty gene can _______________________. This will open the
door to
__________________________________ both _________________ and
contracted (one's that you
catch.).
7. Now let's take a look at cloning. Now let's
take a look at cloning. Go to the
Cloning
section
of I Can Do That!
a. Describe the first known breeding of animals
(when, with what, and why.)
_________________________________________________________________
_________________
__________________________________________________________________________________
b. What is genetic engineering? _______________________________________________________
__________________________________________________________________________________
c. Describe the earliest form of genetic
engineering (where, what, why.)
__________________________________________________________________________________
__________________________________________________________________________________
8. Let's go read an article entitled
"The
Science of Cloning"
from the Discovery
Channel.
a. What is a clone? __________________________________________________________________
b. A clone is an exact genetic replica of
_______________________________.
c. Scientists cloned a sheep. What is its
name? _________________________
9. Click back to the
Cloning
section of I Can Do That
! for a last look
at cloning. Scroll to the bottom.
a. How is cloning using genetic engineering
techniques?
b. What is an example of "nature's" clone?
______________________________________________
__________________________________________________________________________________
10. Go to the
March
of Dimes
site to take a look at fact
sheets about Birth Defects and Genetics.
Click on Down Syndrome.
a. How many babies are born with Down Syndrome?
_______________
b. What causes Down Syndrome? _____________________________________________________
__________________________________________________________________________________
Scroll down a little more than half way.
c. After what age are mothers at greatest risk of giving birth to a
baby with Down Syndrome? _________
Click back. Click on Cerebral Palsy.
d. Cerebral palsy refers to a group of conditions that affect control
of ___________________ and
_______________________.
e. How many children and adults in the U.S. have
cerebral palsy? _____
11. Go to
History
of Cat Breeds
at the Natural History
Museum of Los Angeles County.
a. What is artificial selection? _________________________________________________________
_________________________________________________________________________________
b. T or F (circle one) In general, the breeds of
cats do not show the diversity of size and shape that we see in
dogs.
Go to
Funk
and Wagnalls Encyclopedia
. Search for cat.
From the results list choose the article Cat, Domestic.
a. Shorthaired breeds of domestic cats are derived
from a species of
_______________ domesticated by the ancient ________________
as
early as _____________.
b. Longhaired breeds of cats may have sprung from
the _____________
c. List three breeds of domestic cats that began
with a genetic mutation and were developed by selective
breeding.
__________________________________________________________________________________
13. Now let's look at some specific breeds of
cats. Go to
Cat
Fanciers
home page.
Look up the Ragdoll. Go to the FAQ (frequently asked
questions).
a. What are four traits of the Ragdoll? ___________________________
___________________________________________________________
b. When did the Ragdoll orignate? ______________________________
c. What three breeds were bred to create the
Ragdoll ?
__________________________________________________________
Look up Maine Coon. Go to the FAQ.
d. The Maine Coon is one of the
oldest__________________________in North America.
e. Name three traits that help the the Maine Coon
survive a harsh climate. ___________________________________________________
__________________________________________________________
Look up Scottish Fold. Go to the FAQ.
f. Where does the Scottish Fold get its name ?_____________________
g. When did the Scottish Fold breed begin?
_______________________
h. What does it mean that the gene mutation
responsible for Scottish fold is "simple dominant"?
___________________________________________________________
___________________________________________________________
14. Let's check out horses. Go back to
Funk
and Wagnalls Encyclopedia
.
Look up horse.
a. The first domestic horses brought into the
Americas were ____________________ brought by ______________________ in the
_____________ century.
b. In the last 300 years, horse breeders have
developed strains particularly suited for specialized tasks. List
three tasks that horses have been adapted for.
___________________________________________________________
___________________________________________________________
___________________________________________________________
15. Let's ride off to the Oklahoma State
University for more details on
horses
. Click on Australian Stock Horse
a. The Australian Stock Horse evolved through
____________________
in response to the
____________________________________________.
Click on Arabian.
b. The Bedouin tribes of Arabia developed horses
with
___________________, ___________________________,
and
_________________________ to withstand
_______________________
and
___________________________________________.
16. The Oklahoma State University site also has
information about
cattle
.
Let's moo-ve on. Click on Beefalo.
a. A beefalo is a cross between a
(1)_________________ and
(2)____________________ of any
species.
b. Name three traits of each species which helped
produce a superior animal.
(1) _____________________________
__________________________
__________________________
(2) _____________________________
__________________________
__________________________
17. Now let's go find out about dogs at
Dogbiz
.
Click on the Hound Breeds. Click on Afghan Hound.
a. How did the coat of the Afghan Hound evolve?
__________________________________________________________
__________________________________________________________
Go back, then click on the Smooth or Shorthaired
Dachshund.
b. What were dachshunds bred for in Europe?
__________________________________________________________
Click back twice.
c. From the Group Page, choose a Group and a
Breed. Describe what it is bred for.
_______________________________________________________________
18. One final question at
La
Trobe University
in Australia.
Click on medical applications.
a. Describe one way that the increased
understanding of chromosomes, genes and genetic engineering has led
to many improvements in medicine.
________________________________________________________________
________________________________________________________________
"