WebQuest - Genetic Engineering - TeacherWeb

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11 Δεκ 2012 (πριν από 4 χρόνια και 11 μήνες)

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WebQuest
-

Genetic Engineering


Go to
http://learn.genetics.utah.edu
. Click on “Cloning” under the Genetic Technology
subheading. Explore each section and answer the following questions.


Part A:
WHAT IS CLONING?

(click on the hyperlink)

1.

What exactly is cloning?

2.

Compare and contrast: Natural twinning and Artificial Embryo Twinning (
play

video clip)

3.

What is a zygote?

4.

How are
Artificial Embryo Twinning and SCNT similar techniques?

5.

What method was used to clone Dolly the Sheep in 1997?

6.

What is the difference between a somatic cell and a germ cell?

7.

In fertilization, where
does the complete set of chromosome pairs
come from?

(play

video
clip)

8.

In SCNT, where
does the complete set of chromosome pairs
come from?

(play video clip)

** Now that you have some background information about cloning, go back to the previous page
to complete the next activity….To the mouse cloning laboratory!


PART B:
Cloning Mimi the Mouse

(click on the hyperlink)

9.

List the tools you will need to clone Mimi.

10.

Write down the 6 steps for cloning Mimi the mouse.

11.

What is
enucleation
?

12.

What color is the baby mouse? Explain why.

13.

Where did scientists make genetically identical mice?


PART C:
IS IT CLONING OR NOT
?



Interactive Game.

Remember: Cloning pr
oduces an animal that is an exact genetic copy of another
.


14.

For each scenario, write down the answers for each and indicate the
name of the
technique
used
.

(ex. IVF, Multiple Ovulation
Embryo Transfer
,
Artificial Insemination,
Artificial Embryo
Twinning, S
CNT
)


15.

Why is it very unlikely that SCNT might be able to bring back extinct animals like the
mammoth?