Question

What could be achieved by DNA profiling using gel electrophoresis?

Answer 1

DNA profiling using gel electrophoresis can establish the relationship between two DNA samples.
DNA profiling, also known as DNA fingerprinting, is a method that allows for studying the characteristics of DNA. Each and every individual in this universe (except identical twins) has a different DNA profile. DNA profiling can be used to achieve:
1. Paternity and maternity testing: A certain part of the DNA of each and every individual matches exactly with his/her parents. DNA profiling involves matching this region between the subject and the parent using gel electrophoresis.
2. Identification of spots on a crime scene (forensic studies): If blood spots or any other biological material like hair, semen, skin, nails, etc. are found at a crime scene, then DNA profiling can be used to compare the DNA of these samples with the DNA of the suspect.

Answer 2

Answer:

[Editors note: DNA fingerprinting uses gel electrophoresis to distinguish between samples of the genetic material. The human DNA molecules are treated with enzymes that chop them at certain characteristic points, thereby reducing the DNA to a collection of more manageably sized pieces.