CLOUD FORMATION, he said it under the question but i put it here so it would be easier too find
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.
The nucleus controls the activities within a eukaryotic cell
The answer are plants im sure