Question

4. DNA typing was first described in 1985 by English geneticist
1. James Watson.
2. Alec Jeffreys.
3. Francis Crick.
4. Edward Southern.

Answer 1

Answer:

2. Alec Jeffreys

Explanation:

'DNA fingerprinting' or DNA typing (profiling) as it is now known, was first described in 1985 by an English geneticist named Alec Jeffreys. Dr. Jeffreys found that certain regions of DNA contained DNA sequences that were repeated over and over again next to each other.