SCI 115 DNA Technologies Impact Our Society

March 8, 2022
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SCI 115 DNA Technologies Impact Our Society

SCI 115 DNA Technologies Impact Our Society

This week you are exploring how emerging DNA technologies impact our society. View the NBC News story about CRISPR found at: https://www.nbcnews.com/dateline/video/life-changer-965215299885, then, address the following questions:

What applications of CRISPR look particularly promising for improving human well-being? Justify your response.
Discuss the ethical issues you believe have arisen or are likely to arise with the deployment of CRISPR.

By the time you start reading this impact statement, you’ve probably got
a good idea of what Recombinant DNA is, how rDNA is made, how rDNA works,
and some general places where rDNA is currently important. You should also
be able to see that Recombinant DNA is going to have a large impact on the
future. And like a lot of new science technology, Recombinant DNA has the
possibility to be used for “good” and “bad” purposes. There is a bit of grey
area here, as each person defines good and bad in a different way. The following
is a list of ways Recombinant DNA will impact the future, broken up into what are
commonly considered good and bad. It’s okay if you don’t agree with what is listed
as good and bad, and by thinking about the impact for yourself, you will find you
have an even better grasp of Recombinant DNA.

Good
Improved Medicines
Improved Livestock (resistance to disease)
Improved Crops (resistance to disease, higher yields)
Prevention of Genetic Diseases
Lowering the cost of medicines (i.e. Insulin)
Safer Medicines (i.e. Insulin)
Treatment for pre-existing conditions (i.e. Cancer)

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Bad
Safety concerns (viruses developing antibiotic resistance)
Environmental concerns (developing resistance to fungi)
Ethical dilemmas over human treatment (i.e. are we playing God?)
Potential for Experimental abus (doctors using patients as test subjects)
Germline treatment going from treating diseases to a method for
picking the traits you want in a child (i.e. specifying hair and eye color)

DNA microarray technology, also known as the DNA chip, is the latest in nanotechnology that allows researchers the have ability to study the genome in a high throughput manner. It can be used for gene expression profiling which gives scientists insights into what genes are being up or down-regulated. Various genetic profiles can be determined in order to estimate cancer risk or to identify markers that may be associated with disease. It has the ability only to detect changes in gene expression that are large enough to be detected above a baseline level. Therefore, it does not detect subtle changes in gene expression that might cause disease or play a role in the development of disease. It can also be used for genotyping, although clinical diagnostic genotyping using microarray technology is still being investigated.

Genes from other species can also be used to add new traits to a particular organism. For example, bacteria, mice, and plants have all had luminescent (light glowing) genes from jelly fish added to their genomes. Another reason for adding genes to a foreign organism is to manufacture various nutritional or pharmaceutical products. Some cows have been modified so that they can produce human insulin or vitamins in their milk in bulk. Pigs have been modified to overcome a number of transplantation problems so that some limited transplantation of organs can be carried out from pigs to humans, also called xenotransplation.

 

Read more: DNA Technology – Genetic, Genes, Gene, and Sequence – JRank Articles https://science.jrank.org/pages/2134/DNA-Technology.html#ixzz7L7cvFeSU

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