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Molecular-Biology
Frequently Asked Questions
What is molecular biology testing?
Molecular biology testing is a branch of laboratory diagnostics that analyses genetic material such as DNA and RNA to detect, diagnose, monitor, and guide treatment for diseases at the molecular level, providing high precision and early detection.
Why are molecular biology tests done?
These tests are used to identify genetic changes, detect infectious agents, assess inherited conditions, and guide targeted therapies, especially in infections, cancer, and genetic disorders.
How does molecular testing work?
Molecular testing involves collecting a sample (such as blood, swab, or tissue), extracting genetic material, amplifying specific DNA/RNA sequences, and analysing them for diagnostic markers using techniques like PCR or sequencing.
What types of samples are used in molecular biology tests?
Samples can include blood, saliva, urine, swabs, or tissue biopsies depending on the condition being tested and what molecular targets are being analysed.
Can molecular biology testing detect infections?
Yes — molecular tests can detect DNA or RNA of infectious agents such as viruses, bacteria, and other microorganisms even at low levels, often before symptoms appear.
Are molecular tests used for cancer diagnostics?
Yes — molecular diagnostics are used to identify genetic mutations in tumors that help diagnose cancer types, predict progression, and guide personalised treatment plans.
Do I need to prepare for a molecular biology test?
Preparation depends on the specific test. Some tests may require fasting or specific instructions, but most molecular biology tests use non-invasive samples and require little to no preparation.
How long does it take to get molecular test results?
Turnaround times vary by test and laboratory workflow — some results may be available within a day, while more complex genetic tests can take several days to weeks.
Are molecular biology tests safe?
Yes — molecular testing is generally safe and involves analysis of biological samples. Risks are minimal and mainly related to sample collection rather than the test itself.
How accurate are molecular biology tests?
Molecular diagnostics are highly sensitive and specific, capable of detecting very small amounts of genetic material, making them more accurate than many traditional diagnostic methods.
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