Question

write short nots
DNA fingerprint​

Answer 1

Answer:

DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect. ... DNA fingerprinting is also used to establish paternity.

Answer 2

What is DNA Fingerprinting?

=> A chemical test that shows the genetic makeup of a person or other living things.

Steps of DNA Fingerprint (Southern Blotting techniques):

1. DNA extract from cell.
2. Cutting DNA by restrictions Endonuclease.
3. Separate DNA fragments on Electrophoresis gel.
4. Transfer DNA onto paper.
5. Adding the radioactive probe.
6. Setting up the X-ray film.

Application of DNA fingerprinting are:

• In forensic science to identify potential crime suspects.
• To establish paternity & family relationships.
• To identify & protect the commercial varieties of crops & livestock.