Which of the following is an example of biotechnology?

Bacteria are grown in a petri dish in a lab.

A student traces their family tree.

DNA samples are compared and used to identify suspects in a crime.

A calculator can perform complex math problems.

Answer: DNA samples are compared and used to identify suspects in a crime.

Explanation:

Biotechnology is a technological process that uses living organisms or part of living organisms to make products or processes for particular use. Biotechnology is use in different areas like agriculture, food science, medicine and so on. DNA samples are extracted from living organisms to develop a particular use. DNA samples use to identify suspects is an example of biotechnology.