AS/NZS 4308:2008 Accreditation
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Drug Testing KITS
Professional, on-site drug testing kits.
DNA Testing KITS
Professional, on-site DNA testing kits.
Twin Testing - Frequently Asked Questions
What is DNA?
The human body contains 100 trillion cells and inside each cell is a nucleus. Within the nucleus are organised structures called chromosomes that are arranged in pairs. Humans have 22 pairs of chromosomes plus 2 sex chromosomes. Contained within chromosomes is DNA, the genetic information that determines our physical form
Where do our chromosomes come from?
A child receives one chromosome of each pair from their biological mother, and the other from their biological father.
How is DNA used in Parentage Testing?
In general the DNA of individuals is similar. However there are small regions that demonstrate high variability throughout the population. It is these regions that form the basis of parentage testing, as they can be analysed to produce a unique genetic profile of an individual. Usually the mother of a child is not disputed. Therefore the first step in the analysis of the test data is to compare the genetic profile of the mother with that of the child. We can determine which of the child’s DNA has come from the mother, and therefore the remaining half must have come from the biological father.
Can I be certain of the result?
If the nominated father’s DNA does not match the child’s DNA he cannot be the biological father and is excluded with 100 % certainty.
If the nominated father’s DNA does match the child’s DNA he is a possible father. We then determine the relative chance of paternity of at least 99.5 % (as required by the Family Law Court). To put this into context, there would need to be another 995 potential fathers before there was any question as to the accuracy of the result.
How do I get a sample taken?
A sample is taken from each person involved in the testing. This is done via a small swab to collect cells from inside the cheek. It is a painless procedure that can be performed on all participants, including babies.
Who needs to be tested?
The mother, child and assumed father should all be tested. If a sample cannot be obtained from the mother the testing can still be performed.
How do I get the results?
Reports are issued by mail to all adult participants involved in the test or their legal representative. Alternatively, they may be collected from our collection centre by an authorised person. Reports are generally issued within 10 working days upon receipt of all samples and full payment. Results are not released over the phone.