Question

What is the best source of nuclear DNA when working with hair samples?

Answer 1

Answer: The correct answr is- Root of hair or hair follicle.

Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes. These cells are ideal for the extraction of nuclear DNA.

Thus, root of hair is the right answer.

Answer 2

Nuclear DNA is the one found in the nuclei of eukaryotic organisms, which is why the best part would be to analyze the Root of the hair because it would be the freshest and the most pure sample for analysis.