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What is the function of allele ladder in DNA profiling?
An allele ladder is used as a reference for determining the sizes of DNA fragments in a sample during DNA profiling. It contains known fragments of DNA of varying sizes that are used to calibrate the gel electrophoresis results, allowing for accurate comparison and identification of the sizes of DNA fragments in the sample.
Has two distinct sizes of crystals?
Crystals can have different sizes due to differences in their growth conditions, such as temperature, pressure, and rate of crystal growth. Factors like nucleation sites, impurities, and crystal lattice structure can also influence crystal size. These variations in growth conditions can lead to crystals with different sizes within the same sample.
Why was Mendel successful when studying the pea plant?
Because of his background in statistics and physics.
What kind of systematic errors are detected by varying the sample size?
Varying the sample size can detect systematic errors related to sampling bias or outliers. With larger sample sizes, trends and patterns in the data become more apparent, making it easier to identify any biases in the sampling process or extreme values that may skew results. This can help researchers understand and correct for these systematic errors to improve the reliability and validity of their findings.
What is an allele ladder and what is its function in DNA profiling?
An allele ladder is a mixture of DNA fragments of known sizes used as a reference in DNA profiling. It helps determine the size of unknown DNA fragments by comparing them to the ladder's known sizes. This allows for accurate identification of the alleles present in a sample for forensic or paternity testing purposes.
