Question

Name and write two characteristics of the type of DNA that forms the basis of DNA fingerprinting technique.

Answer 1

DNA fingerprinting techniques are based on polymorphisms found in satellite DNA/repetitive DNA/VNTR. Their characteristics are as follows:

1. Mostly located in the chromosomes' heterochromatin region; they don't code for any proteins.
2. A short segment of DNA is repeated numerous times and exhibits a significant degree of polymorphism.