Chapter 17: Q. 28 (page 442)
Explain why metagenomics is probably the most revolutionary application of genomics.
Short Answer
Metagenomics study of multiple species' collective genomes that grow and interact in an environmental niche.
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Chapter 17: Q. 28 (page 442)
Explain why metagenomics is probably the most revolutionary application of genomics.
Metagenomics study of multiple species' collective genomes that grow and interact in an environmental niche.
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How could a genetic map of the human genome help find a cure for cancer?
Linkage analysis ________.
a. is used to create a physical map
b. is based on the natural recombination process
c. requires radiation hybrid mapping
d. involves breaking and rejoining of DNA artificially
What is the most challenging issue facing genome sequencing?
a. the inability to develop fast and accurate sequencing techniques
b. the ethics of using information from genomes at the individual level
c. the availability and stability of DNA
d. all of the above
Whole-genome sequencing can be used for advances in:
a. the medical field
b. agriculture
c. biofuels
d. all of the above
In 2011, the United States Preventative Services Task Force recommended against using the PSA test to screen healthy men for prostate cancer. Their recommendation is based on evidence that screening does not reduce the risk of death from prostate cancer. Prostate cancer often develops very slowly and does not cause problems, while the cancer treatment can have severe side effects. The PCA3 test is more accurate, but screening may still result in men who would not have been harmed by the cancer itself suffering side effects from treatment. What do you think? Should all healthy men be screened for prostate cancer using the PCA3 or PSA test? Should people in general be screened to find out if they have a genetic risk for cancer or other diseases?

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