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Essay: Ancestry testing – pros, cons & misconceptions

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Overview

Hereditary original testing, or hereditary lineage, is a route for individuals inspired by family history (ancestry) to go past what they can gain from relatives or from recorded documentation. Examination of DNA varieties can give pieces of information about where a man’s predecessors may have originated from and about connections between families. Certain examples of hereditary variety are frequently shared among individuals of specific foundations. The all the more firmly related two people, families, or populaces are, the more examples of variety they regularly share. I’m my research I will talk how the genetic ancestry could affect the society either negatively or positively. I will start my research from the history of ancestry testing to the pros and cons of it, and I will also show the debates between both sides either agree or disagree. Finally, I will put my opinion. My research for people who interest in genetics. In my research, I will clarify many misconceptions toward the Ancestry DNA testing.

Current situation

In the genealogical field, the effects many researchers argue about the effects of the ancestry DNA testing. The commercial companies and geneticists are the beneficiaries arguments. Genealogy following has turned out to be a huge business, with numerous organizations charging to $300 to follow your DNA to particular chronicled figures or ethnic gatherings in the removed past by examining family tests. DNA genealogy is much more valuable for populace geneticists who are endeavoring to find out about past human movements than it is for people trying to decide their particular connection to Genghis Khan. While most of the psychologists and scientists clarify that ancestry DNA testing may affect the some of the societies in a negative way especially the societies who have history conflicts. According to Scientific American website set out the point that “News and magazine articles are frequently reporting on the degree of DNA overlap between groups with a history of conflict—Hutu and Tutsi, Jews and Arabs, White Europeans and Roma, Russians and Ukrainians, English and Irish—yet rarely make clear that there is, in fact, no genetic basis for race.

Until then, when encountering information about how our DNA is different from other populations, we must remind ourselves that these variations are in fact minuscule. If we fail to, it can have drastic consequences.”. Also, because of the historical conflict in some societies, the ancestry DNA testing could lead some of the people to respond negatively. According to The pitfalls of tracing your ancestry article illustrates “When we talk about psychological responses and emotional distress, there are varying degrees of that. Primarily, it is people who have some notions about who they are, and are going into this just for confirmation. Some of those people respond negatively. Then again there are lots of reports about people who have a good response to this even if the information conflicts with what they know.”. This debate between both sides who agree or disagree with ancestry DNA testing cause a huge argument. So, on my research paper, perspectives shows perspectives and what other people says then I will start to find a solution to my issue by making my own opinion.

Discourse Glossary

Ancestry

Genealogists

Mitochondria DNA

Y chromosome DNA

Psychologists

Geneticists

History conflict

African American

Slaves

700,000 different “markers”

Annotated Bibliography Rough Draft

1- Kimel, Sasha, and Jonas Kunst. “Can DNA Ancestry Testing Make You More Racist?” Scientific American Blog Network, 26 May 2016, blogs.scientificamerican.com/guest-blog/can-dna-ancestry-testing-make-you-more-racist/

Sasha Kimel who is a visiting professor in the department of psychology at Harvard and is a former Harvard College Fellow. Jonas Kunst who is a postdoctoral fellow in the department of psychology at the University of Oslo and a former Fulbright Visiting Scholar at Harvard. The article focus on racism and DNA ancestry which shows part of the answers to my research questions. The authors illustrate how this kind of test leads to drastic consequences.

2- Kirkpatrick, Brianne E; Rashkin, Misha D. Ancestry Testing and the Practice of Genetic Counseling. Journal of Genetic Counseling; New York Vol. 26, Iss. 1,  (Feb 2017): 6-20,

https://search.proquest.com/docview/1865250312?OpenUrlRefId=info:xri/sid:primo&accountid=14605

Brianne Kirkpatrick, is a licensed and certified genetic counselor with more than 11 years of experience. She is a member of the National Society of Genetic Counselors, International Society of Genetic Genealogy, and the National Genealogical Society. Rashkin, Misha is a Genetic Counselor. In the peer-reviewed the authors focus ancestry testing is a home DNA test with many dimensions; in some cases, the implications and outcomes of testing cross over into the health sphere. Common reasons for seeking ancestry testing include determining an estimate of customer’s ethnic background, identifying genetic relatives, and securing a raw DNA data file that can be used for other purposes. As the ancestry test marketplace continues to grow, and third-party vendors empower the general public to analyze their own genetic material, the role of the genetic counselor is likely to evolve dramatically.

3- Sarata, Amanda K. Genetic Ancestry Testing. Congressional Research Service, Library of Congress, 2008.

Amanda Sarata is an author for many genetic book. Sarata illustrates in her book that enthusiasm for ancestry testing to decide heritage has expanded quickly since its presentation in 2000. Numerous people are anxious to learn more about their ancestors and accept hereditary testing will have the capacity to give data where other customary genealogical techniques have fizzled. While genetic lineage testing may now and again have the ability to provide comprehensive data, it likewise right now has numerous constraints. The exceptionally complex connection between race, hereditary qualities, and family line additionally confounds this testing and the understanding of results. Genetic heritage testing may, along these lines, raise a few policy issues. This report depicts genetic lineage testing, traces the fundamental logical constraints of the testing as of now, and gives a review of the approach issues this testing may raise.

4- Bolnick, D. A., et al. “GENETICS: The Science and Business of Genetic Ancestry Testing.”Science, vol. 318, no. 5849, 2007, pp. 399–400., doi:10.1126/science.1150098.

https://www.ssc.wisc.edu/soc/faculty/pages/docs/fujimura/bolnick_fujimura_et_al_genealogy_testing_Science_2007.pdf

Bolnick, D. Professor in the Department of Anthropology, and is also affiliated with the Population Research Center and the Ecology, Evolution, and Behavior (EEB) graduate program at the University of Texas at Austin. Authers explins the financially accessible trial of hereditary family have critical logical restrictions yet are not kidding matters for some test-takers. No less than two dozen organizations showcase hereditary family line tests, which normally cost amongst $100 and $900, to enable buyers to decide the roots of their predecessors. In excess of 460,000 individuals have bought the tests amid the previous six years and open intrigue is developing.

The researchers contend that the suppositions and confinements of the tests make them less enlightening than numerous acknowledge, and commercialization has prompted deluding rehearses that strengthen misinterpretations.

5- Kennett Debbie. Mysteries of the Titanic Solved by DNA, YouTube, 28 Feb. 2018,

Debbie is an internationally recognized expert and speaker on genetic genealogy. She writes the popular Cruwys News blog, and is the author of two books. The video shows that the loss of the Titanic is one of the worst disasters in maritime history. Over two-thirds of the passengers and crew died on 14th/15th April when the luxury liner sank after hitting an iceberg. It was not possible at the time to identify many of the bodies that were recovered from the sea. Nearly a century later, DNA testing allows us to reinvestigate these historical mysteries. I will be looking at the findings of the Titanic Ancient DNA Project which sought to exhume and identify the remains of a young man, a woman and an unknown child buried in Halifax, Nova Scotia. I will also look at the mystery surrounding the fate of two-year-old Lorraine Allison. She was thought to have died with her parents but her body was never found. Many years later a woman known as Helen Kramer came forward claiming to be the child.

6- Ashik Siddique, Mar 7, 2013. Medical Daily, DNA Ancestry Tests Are ‘Meaningless’ for Your Historical Genealogy Search

http://www.medicaldaily.com/dna-ancestry-tests-are-meaningless-your-historical-genealogy-search-244586

Ashik Siddique is an author. The article illustrates that family history following has turned out to be the huge business, with numerous organizations energizing to $300 to follow your DNA to particular recorded figures or ethnic gatherings in the far-off past by investigating heritage tests.

DNA parentage is much more valuable for populace geneticists who are endeavoring to find out about past human movements than it is for people attempting to take in their particular connection to Genghis Khan.

WildCard

Types of Ancestry Testing

A Y-chromosome DNA (Y-DNA) test:

Gives data about your father line, which in many societies compares with the legacy of surnames. Just guys convey a Y-chromosome, however a female can find out about her dad line for instance through her dad or sibling. Inside the present tests there is much assortment in the measure of data gave. The markers tried are of two sorts, called STRs (short pair rehashes) and SNPs (single nucleotide polymorphisms), which have diverse change rates thus give data at various time profundities. The data you get relies upon what number of markers of each kind are tried

A mitochondrial DNA test:

Gives data about the mother line. Mitochondrial DNA is passed on by a mother to her male and female youngsters however no one but females can pass their mtDNA on to the people to come. This test, similar to the Y-DNA test, gives data around one particular ancestry – your mom, your’s mom, your’s mom, et cetera back in time. Again the measure of data gave differs among tests, however the mtDNA arrangement is short (only 16,569 DNA “letters”) thus sequencing the entire genome is as of now not extremely costly.

An autosomal DNA test:

provides information from the great majority of your DNA (the autosomes are the chromosomes other than the X, Y and mtDNA).  Although full genome-sequencing is not far away, it remains unaffordable for most and autosomal DNA tests usually examine up to around 1 million genetic markers (SNPs) spread across the genome. These give information about all your ancestors in recent generations, but once you go beyond about 10 generations back into the past (roughly 300 years) only a small fraction of your ancestors have contributed directly to your DNA.

References

  • By Sasha Kimel, Jonas Kunst on May 26, 2016. Scientific American, Can DNA Ancestry Make You More Racist. https://blogs.scientificamerican.com/guest-blog/can-dna-ancestry-testing-make-you-more-racist/ Published online 13 November 2008.
  • Nature,The pitfalls of tracing your ancestry http://www.nature.com/news/2008/081113/full/news.2008.1227.html

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