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Small amounts of DNA can be collected from items such as cigarette butts and hair follicles that are found at crime scenes - VCE - SSCE Biology - Question 28 - 2021 - Paper 1
Question 28
Small amounts of DNA can be collected from items such as cigarette butts and hair follicles that are found at crime scenes. This DNA can be replicated for analysis a... show full transcript
Worked Solution & Example Answer:Small amounts of DNA can be collected from items such as cigarette butts and hair follicles that are found at crime scenes - VCE - SSCE Biology - Question 28 - 2021 - Paper 1
Step 1
Method of DNA replication and the enzyme used?
Answer
The correct method of DNA replication used for analyzing small amounts of DNA is the polymerase chain reaction (PCR), specifically utilizing Taq polymerase. PCR is a widely used technique that amplifies specific DNA sequences, allowing for detailed analysis, especially from trace evidence found at crime scenes.