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Genetic techniques

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Last reviewed: July 2016

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Scientists - Lab Tests Online AU

Laboratory scientists and technicians perform most testing. Some scientists in large laboratories specialise in a particular area. For instance, some can be morphologists, observing cells and cell patterns through the microscope; others can work with technical equipment, such as flow cytometry where they need to be able to set parameters and read results. Others, work with the very latest technologies and assays such as such as fluorescent in-situ hybridization (FISH) and the Polymerase Chain Reaction (PCR) investigating chromosomes and DNA.

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Genetic testing for inherited cancer

A predisposition to certain cancers can be inherited via altered genes. Genetic testing aims to detect a genetic alteration that might increase the chances of a person developing a particular cancer. This testing is available to some families with a high risk of a genetic predisposition to certain cancers.

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Genetic testing for disability in children | Raising Children Network

Genetic testing looks for gene abnormalities. If theres the chance of a genetic condition in your family, doctors might recommend genetic testing.

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Genetic testing - Lab Tests Online AU

This article discusses genetic testing; that is, testing that looks at a persons genetic make-up for a variety of reasons. If you would like to first learn about the basics of cells and DNA, look at our Genetics Information page which contains helpful videos and slide shows. If you already know the basics, you can carry straight on.

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Clinical genetic testing - Lab Tests Online AU

Clinical genetic testing refers to the laboratory analysis of DNA or RNA to aid in the diagnosis of disease. Genetic testing can provide definitive diagnosis as well as help predict the likelihood of developing a particular disease before symptoms even appear. It can tell if a person is carrying a specific gene that could be passed on to his or her children and sometimes it can give information as to whether some treatments will work before a patient starts therapy. These are definite advantages. However, there are also some issues in genetic testing that should be carefully thought out and discussed with a genetic counsellor or clinical geneticist before undergoing any testing. These aspects are reviewed in the section titled Pros and cons of genetic testing. In an era of patient responsibility, it is important that both health professionals and patients are educated in these matters to fully appreciate the value as well as the drawbacks of genetic testing.

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Infectious disease testing - Lab Tests Online AU

When we hear the term infectious disease, we usually think of something that can infect us and cause a disease process to begin. That something can be a bacteria, virus, parasite, or fungus obtained from many different sources (other infected individuals, poor hygiene, transfusion with infected blood, shared needles between drug users, etc.). Disease-causing bacteria and viruses are known as infectious agents and some of them can be quickly identified by using genetic testing techniques.This has led to a revolution in microbiology laboratories where many of the most common infectious organisms are now identified in clinical specimens using genetic testing techniques to identify them by their DNA or RNA.

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Direct-to-Consumer (DTC) Genetic Testing: A Statement from the National Health and Medical Research Council (NHMRC) | National Health and Medical Research Council

Read more on NHMRC – National Health and Medical Research Council website

Pros and cons - Lab Tests Online AU

Diagnostic testing is the situation where an individual is suspected of having a particular condition and a specific gene/s is/are tested to look for disease causing mutations. This can confirm the clinical diagnosis for the patient.

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Pregnancy screening and testing - NT.GOV.AU

Your first doctor visit, scheduled pregnancy check-ups, tests, ultrasounds and genetic screening.

Read more on NT Health website

Related links - Lab Tests Online AU

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