SmithLifeScience
Name __________________ Period _____
Reading Study Guide Chapter 5 Modern Genetics
5-2 Human Genetics Disorders (pp.151-155)
Causes of Genetic Disorders (p.152)
1. What is a Genetic Disorder?
____________________________________________________________________
____________________________________________________________________
List the two causes of Genetic Disorders?
2. __________________________________________________________________
3. __________________________________________________________________
4-11. Complete the table on genetic disorders
| Disorder | Description | Cause |
| Cystic Fibrosis |
4. | 5. |
| Sickle-cell
disease |
6. | 7. |
| Hemophilia |
8. | 9. |
| Down
Syndrome |
10. | 11. |
Pedigrees (p.153-154)
12. What is a pedigree?
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____________________________________________________________________
13. The chart on page 153 shows a pedigree for ___________________.
14. A circle on a pedigree chart represents a ____________________.
15. A square on a pedigree chart represents a ___________________.
16. A completely shaded square or circle indicates that the person __________________.
17. A half-shaded square or circle indicates that the person _______________________.
18. A circle or square that is not shaded indicates that the
person neither _____________
nor ____________________.
19. Albinism is a condition in which _________________________________________.
Look at the pedigree chart on page 154.
20. In the pedigree chart, how many people have hemophilia? _________
21. In the pedigree chart, how many people are carriers of hemophilia? ________
Managing Genetic Disorders (p.154-155)
22. What is a karyotype? ________________________________________________
23. What can a karyotype reveal?
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____________________________________________________________________
24. What do genetic counselors do?
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Name three tools genetic counselors use to help them in
their work
25. _____________________________
26. _____________________________
27. _____________________________
Assessment
28. Would a karyotype reveal the presence of sickle-cell disease? ______
29. Why or why not? ____________________________________________________