Types of Genetic Tests

Types of Genetic Tests

by Dr. Hsien-Hsien Lei
Posted March 4, 2008 in DNA Testing

According to the LA Times, there are only five types of genetic tests:

  1. Predictive testing for genetic mutations that can increase a person’s risk of disease, e.g., BRCA genetic testing for breast and ovarian cancer
  2. Presymptomatic testing to see if someone will develop a disease before they get any signs or symptoms, e.g., Huntington’s disease
  3. Diagnostic testing to confirm a diagnosis, e.g., Fragile X Syndrome
  4. Carrier testing to detect people who are disease-free but may have a genetic mutation that can be inherited by their children
  5. Prenatal testing of fetuses to detect genetic abnormalities

Hello? I thought I was the one with the fried brain (thanks to the flu). Medical genetic testing isn’t all there is. There are a slew of other types of human genetic tests that are currently available:

Have I forgotten any?


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5 Comments »

Comment by David Bradley

Isn’t the LA Times the equivalent of the UK’s Daily Mail in terms of scientific rigour?

db

Not that I’m aware of. However, I’ve never read Daily Mail so I wouldn’t be able to compare….

 
 
Comment by Kristina

You’re sick too? Most be something “catching” — thanks as always for a post that sets the record straight!

 
Comment by BP

I was under the impression that most newborn screening tests are not ‘genetic tests’, but were based on detecting various proteins using mass spec

BP, You make a good point which is true for most common newborn screening tests. However, because newborn screening results act as a proxy for genetic status, they are often known as genetic tests.

 
 
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