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In order for the student's experiment to be valid, the student would need to a - VCE - SSCE Biology - Question 31 - 2021 - Paper 1
Question 31
In order for the student's experiment to be valid, the student would need to a. ensure the amplified DNA region is from the correct locus of the echidna’s mitochond... show full transcript
Worked Solution & Example Answer:In order for the student's experiment to be valid, the student would need to a - VCE - SSCE Biology - Question 31 - 2021 - Paper 1
Step 1
ensure the amplified DNA region is from the correct locus of the echidna’s mitochondrial genome.
Answer
To ensure the validity of the experiment, it is crucial to confirm that the amplified DNA corresponds specifically to the designated locus within the echidna's mitochondrial genome. Accurate identification of this locus provides the basis for reliable results, ensuring any variations observed are pertinent to the targeted region.
Step 2
be able to have the same set of results replicated by a different observer at a different time.
Answer
Replicability is a cornerstone of scientific validity. The results must be reproducible by independent observers to validate the findings. This involves consistent methodologies and controlled conditions to eliminate variability that could arise from subjective interpretation.
Step 3
demonstrate that the results from the amplified samples were precise.
Answer
Precision in experimental results indicates the reliability of measurements taken during the study. By utilizing statistical methods to assess the variability and ensuring measurements fall within an acceptable range, one can confirm that the amplified samples yield trustworthy data.
Step 4
repeat the experiment a minimum of three times.
Answer
Conducting the experiment multiple times is essential for establishing the reliability of the findings. A minimum of three repetitions helps to account for anomalies and random errors, allowing for a more robust conclusion drawn from averaged results.