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New Zealand Family Cancer Service
Specific genes can be examined in the laboratory to look for any changes to their sequence that would mean that gene would not work in the way it was supposed to. Faulty genes can cause health problems, like a higher risk of developing certain cancers.
Genes can be tested either in sequence or multiple genes can be tested in a panel.
Different genes can cause similar problems so it is important to get detailed personal and family history to try to work out which gene may have a fault.
Genetic tests are performed on DNA extracted from a saliva sample (as long as enough DNA can be extracted from the sample) alternatively a blood sample or cheek swabs may be required.
Please read our Blog about Genetic Testing