by Dr. Hsien-Hsien Lei
Posted April 17, 2008 in DNA Testing, DNA in General
Don’t miss it! An active discussion of the good and evil sides of genetic testing is now taking place over at this Eye on DNA post (with further discussion at Gene Sherpas). Many of the commenters are American college students who have some interesting viewpoints. Some are at one extreme advocating total clamp down and ban on direct-to-consumer genetic testing. And others are on the other extreme with little to no faith in government regulation.
Another reason why DTC raises my suspicions is not knowing who has access to DTC? Is there an age requirement, and if so, what is it and how do you determine the age at which you can have a genetic test? If genetic tests are not available to peoples under eighteen, can parents sign for their children to have the tests? What if parents decide to force their children to take the genetic tests without their consent? On the other hand, letâ€™s say you can get a DTC at any age. Does a child, anyone under the age of eighteen, have the ability to decide what to do with the information gained from the test?
VT also issued a list of “shoulds” to both companies and the government.
In the pre-college crowd, the American Society of Human Genetics (ASHG) studied 500 essays submitted by high school students to the National DNA Day Essay Contest in 2006 and 2007 (pdf of study). They found that a significant number of of essays demonstrated “obvious” misconceptions about genetics. (More from The Genetic Genealogist.)
Many high school students who submitted essays to the contest appeared to be unaware of polygenic inheritance and believed that “one gene is always responsible for one trait or one gene with one mutation always causes one disease.” This misunderstanding is particularly worrying if these students are future (or perhaps even current) consumers of genetic testing.
Due to advances in genetic screening, genetic technology, the promise of individual genome sequencing, and other progress in the field of genetic research, it is more important than ever for the public to have a critical understanding of basic genetic information. This understanding will be vital for individuals to be informed advocates for their own health care when it comes to providing consent for testing and treatment as well as for being able to understand and interpret test results accurately. This will become an even greater need as private companies begin to provide genetic tests through mail order such that individuals can test themselves at home without the consultation of a physician (Advisory Committee on Genetic Testing 1998). For patients to understand the tests and results, and their own risk, they must be able to understand the biological underpinning of the tests themselves. Furthermore, as genetic research becomes more firmly embedded in medical practice and care, the public must be able to make informed decisions regarding specific pieces of legislation. Multiple studies, including this one, demonstrate that the current classroom methods for genetics instruction are not developing a citizenry with accurate mental models of inheritance and the genetic basis of disease (Henderson and Maguire 2000).
Rather than being dismayed at the current state of understanding among the next generation, I am encouraged that genetics is being taught and discussed. The level of understanding expected of students today is nothing like what I taught myself 25 years ago for my grade school science fair project.
Back in 1983, the Human Genome Project hadnâ€™t been launched yet and it was the year Kary Mullis invented PCR (according to the Genome News Network, although other sources point to 1980). My elementary school didnâ€™t have much of a science education curriculum let alone labs where we could try to extract DNA or practice RFLP DNA fingerprinting. So I was left to my own devices without even the Internet to help me do research! *GASP*
My genetics science fair project had a three part display board. On one section, I had diagrammed Mendelâ€™s pea experiment and on another section, I created a family tree showing pictures of my mother and father plus baby pictures of my sister and me. The most difficult part of the project was creating the DNA helices out of pipe cleaners for the sides and rungs of the â€œladderâ€ and construction paper for the bases. Later on in eighth grade, our science teacher allowed my lab partner and I to experiment with Drosophila melanogaster crosses (sadly, we drowned most of the fruit flies with ether).
What was your first educational experience with genetics?
Yay or Nay for Genetic Testing?...
Types of Genetic Tests...
Genetic Genealogy and the Chinese...
DNA Video: Sequenom Prenatal Genetic Testing...
Let’s Talk About Direct-To-Consumer Genetic Testing...
Storing and Testing Children’s DNA...
Author Jon Entine on Genetic Genealogy...
Sorry, the comment form is closed at this time.
Search Eye on DNA
- Genetic Genealogy on Faces of America
- DNA Network Tweet Cloud
- Genetics = Real Science
- Larry David’s DNA Test
- Lopez Tonight First Late-Night Show to Offer DNA Testing
- American Genes Don’t Exist
- Knowledge about Genetic Risk is Power or is it Fear?
- Murderer Gets Reduced Sentence Because His Genes Made Him Do It
- Video: Knome’s Ari Kiirikki Speaks with Medgadget
- DNA Toys: Ben 10 and Digimon Digivice
- 100 Facts About DNA
- Salaries for Jobs in Genetics
- Fetal Gender DNA Tests Answer Common Pregnancy Question...Or Not
- What does DNA mean to you?
- Eye on DNA Interview: Dr. Tzung-Fu Hsieh of RedTracer DNA Test for the Red Hair Gene, MC1R
- How To Determine Paternity Without A DNA Test
- Books About DNA: The Crime of Reason by Robert B. Laughlin
- Genetically Modified Organisms Bring in the Cash
- Navigenics Introduces Physician Portal and Annual Insight Service
- People Who’ve Had Their Genomes Sequenced
09/29/2009 07:03 am
- Larry David’s DNA Test
11/17/2009 02:52 am
- 23andMe DNA Tests for $399, Down From $999
09/10/2008 04:33 am
- Crazy Genetic Marketing Ideas
07/05/2008 09:14 pm
- Parenting Children Using Genetic Tests
05/18/2009 02:09 am
- Business of DNA
- DNA @ Google Answers
- DNA and Disease
- DNA and Genealogy
- DNA and the Law
- DNA Around the World
- DNA Fun
- DNA in General
- DNA Inventions and Gadgets
- DNA Lab Talk
- DNA Podcasts and Videos
- DNA Quotes and Excerpts
- DNA Testing
- Gene Therapy
- Genetic Engineering
- Genetically Modified Foods and Organisms
- Jobs Involving DNA
- Personalities with DNA
- Polls About DNA
- January 2010
- November 2009
- October 2009
- September 2009
- August 2009
- July 2009
- June 2009
- March 2009
- February 2009
- January 2009
- December 2008
- November 2008
- October 2008
- September 2008
- August 2008
- July 2008
- June 2008
- May 2008
- April 2008
- March 2008
- February 2008
- January 2008
- December 2007
- November 2007
- October 2007
- September 2007
- August 2007
- July 2007
- June 2007
- May 2007
- April 2007
- A Blog Around The Clock
- A View from England
- Cancer Genetics
- The Rest of the Story: Tobacco News Analysis and Commentary
- Let’s Get Personal
- Twisted Bacteria
- Nurse Practitioner News
- AIDS Combat Zone