Reference no: EM132831077
Biotechnology
This section will concentrate on recent advances in biotechnology.
A) Web site name: Nova - Cracking the code of life
Click on "Journey into DNA" at the bottom of the page (if you do not have Flash, you can either download it for free from this page, or just click on the "non-Flash version"). In the Flash version, click on the + sign to go to the next page.
1) Roughly how many cells are in the human body? ______________________
2) What is the result of DNA "turning on" or "turning off" different sections of its information?
3) Which cell does not have a nucleus? _______________________________
4) What do dark bands in the chromosome indicate?
5) How many atoms make up a nucleotide?
B) Web site name: BBC News
Read "Life code of chimps laid bare"
6) How similar are humans and chimps in the most important areas of their "life codes" (the genes): ___________ % identical
7) Which five countries worked together to sequence the chimp DNA?
8) How long ago did chimps and humans share a common ancestor?
9) If you include non-coding or "junk" DNA how different are we from chimps? ___________ %
10) What are three human characteristics?
11) Which gene seems to protect chimps from Alzheimer's disease? _
12) Which other mammals have had, or are having, their genes sequenced?
C) Web site name: Patient.co.uk
Read "Genetic testing"
13) How many genes does each chromosome carry? _____________________________________________________________
14) What is genetic testing? __________________________________________
15) In molecular genetic tests, where is the DNA taken from? _____________________________________________________________
16) What is karyotyping? ________________________________________
17) What is "diagnostic testing"? _____________________________________
18) In pregnancy, what are the two ways samples may be taken from the baby?
D) Web site name: University of Utah
19) When was DNA analysis first used in U.S. courtrooms? ________________
20) What percentage of your DNA is unique? ___________ %
21) At a crime scene, what types of evidence contain DNA?
22) Why does the NRC recommend that evidence samples are divided up soon after collection?
23) What other types of evidence can be used to back up DNA evidence?
24) How many prisoners have been exonerated using DNA evidence? __________________________________
25) Several states restrict the time for post-trial submission of DNA evidence to _______________________ or less.
26) Do you think that a 6 month, or less, limit on submitting DNA evidence is fair? Explain your answer:
E) Web site name: BBC news
Read "Salmon steak from GM fish"
27) How many years has AquaBounty been working on this salmon? ______
28) Why is the risk of the GM fish breeding in the wild "negligible"?
29) What is one argument against these GM salmon?
30) What was the original plan for the florescent fish produced in Singapore?
31) What possible problem do you think could be caused by developing chickens or pigs that are resistant to disease?
32) Would you eat GM (genetically modified) salmon? Explain your answer.
F) Go to a news website, or your local news station.
Use the "Search" button to look for recent articles dealing with "genetic fingerprint" or "GM food" or "biotechnology". Click on several sites and pick the most interesting one.
34). Which news site did you go to? _______________________________
35). What is the title of the article you picked? _____________________________________________________________
36). Does the website have photos or diagrams? __________________________
37). Briefly summarize the article in your own words
Attachment:- Biotechnology.rar