Page 24 - Science
P. 24
DNA: Deoxyribonucleic acid
• The nucleus contains a special set of
instruction called DNA.
• DNA is the hereditary material in
humans and almost all other organisms.
• The DNA of every person is unique and it
can be used to identify people.
• It can be extracted from organic remains
such as blood and saliva left at crime
scene and used to catch criminals.