Download Grade 11 Biology – Genetics Computer Activity

K/U =
/7
T/I =
/6
C=
/2
TOTAL:
/15
SBI 3U
Name: ___________________________
Date: _________________
Karyotyping
Computer Activity Instructions
1. Type in the address www.biology.arizona.edu and press enter.
2. Click on the link "Human Biology" on the left side of your screen. Next click
on "Web Karyotyping", which will be on the top left side of your screen.
3. Read the Introduction and answer the following questions.
Question #1
The stained regions of the chromosomes are rich in which base pair? (1 mark) (K/U)
_______________________________________________________
Questions #2
Does each band represent one gene only? (yes or no) __________ (1/2 mark) (K/U)
Explain: _________________________________________________
__________________________________________________ (1/2 mark) (K/U)
Question #3 – Fill in the missing words
You will electronically complete the karyotype for ____ individuals and look for
______________________________ that could explain the phenotype. (1 mark) (K/U)
4. After you have read the Introduction click on "Patient Histories".
Question #4
Where did the chromosomes for Patient A come from? Be specific. (1 mark) (K/U)
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________________________________________________________
________________________________________________________
Question #5
Where did the chromosomes for patient B come from? Be specific. (1 mark) (K/U)
________________________________________________________
________________________________________________________
Question #6
Where did the chromosomes for patient C come from? Be specific. (1 mark) (K/U)
________________________________________________________
________________________________________________________
5. Click on "Complete Patient A’s karyotype".
6. Read the instructions. Click on the chromosome that matches the one shown.
Continue until the karyotype is complete. If you make a mistake click on "Try
again".
7. Once you have complete Patient A’s karyotype, read the final screen and
answer questions A1 and A2 in the space provided. You can review the karyotype
by scrolling down to the bottom of the screen.
 Answer to A1: (1 mark) (T/I)
_________________________________________________________________
 Answer to A2: (1 mark) (T/I)
_________________________________________________________________
8. Click on Patient B and complete the karyotype just as you did for Patient A.
9. After you have completed the karyotype for Patient B answer questions B1 and
B2 in the space provided.
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 Answer to B1: (1 mark) (T/I)
_________________________________________________________________
 Answer to B2: (1 mark) (T/I)
_________________________________________________________________
10. Click on Patient C and complete the karyotype just as you did for Patients A
and B.
11. After you have completed the karyotype for Patient C answer questions C1
and C2 in the space provided.
 Answer to C1: (1 mark) (T/I)
_________________________________________________________________
 Answer to C2: (1 mark) (T/I)
_________________________________________________________________
12. After you have answered all of the questions for Patients A, B and C click on
"Internet Search". Read the instructions and complete the exercise. Record the
information you have gathered in the space provided.
Web Address: __________________________________________ (1/2 mark) (K/U)
Title of Site: ____________________________________________ (1/2 mark) (K/U)
Summary of site’s content - Be sure to use complete sentences: (2 marks) (C)
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
_________________________________________________________________
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_________________________________________________________________
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