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Predict: Gel electrophoresis distinguishes DNA segments by length. To identify people by DNA, is it better to make copies of genes or non-coding segments? Explain.

Respuesta :

Answer: genes

Explanation:

everyone has the same non coding regions, but not the same dna

To identify people by DNA it is better to make copies of non-coding segments because they exhibit more variation than genes.

What is genetic variation?

Genetic variation refers to differences in the order of nucleotides between two or more sequences.

  • Genetic variation is fundamental for identifying and classifying different organisms.

  • In humans, repeated DNA sequences known as microsatellites are the marker of choice to identify individuals.

In conclusion, to identify people by DNA it is better to make copies of non-coding segments because they exhibit more variation than genes.

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