Dna

Pronunciation: /diː en eɪ/

Definitions of DNA

noun deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

Example Sentences

A1 DNA is a molecule that carries genetic information.

A2 Scientists use DNA testing to identify individuals.

B1 Genetic mutations in DNA can lead to various health conditions.

B2 Forensic experts analyze DNA evidence to solve crimes.

C1 The study of DNA has revolutionized the field of genetics.

C2 Advancements in DNA technology have opened up new possibilities in medicine.

Examples of DNA in a Sentence

formal DNA, or deoxyribonucleic acid, contains the genetic instructions for the development, functioning, growth, and reproduction of all known living organisms.

informal I did a DNA test to find out more about my ancestry.

slang My DNA is a mix of different backgrounds.

figurative Her artistic DNA is evident in every piece she creates.

Grammatical Forms of DNA

• plural: DNAs
• present tense: DNA
• future tense: will DNA
• perfect tense: has DNAed
• continuous tense: is DNAing
• singular: DNA
• positive degree: DNA
• infinitive: to DNA
• gerund: DNAing
• participle: DNAed

Origin and Evolution of DNA

First Known Use: 1944 year

Language of Origin: English

Story behind the word: The term 'DNA' stands for deoxyribonucleic acid, which was discovered by Friedrich Miescher, a Swiss biochemist, in 1869.

Evolution of the word: The term 'DNA' was first used in a scientific paper by Oswald Avery, Colin MacLeod, and Maclyn McCarty in 1944 to describe the genetic material found in cells. Since then, DNA has become a widely recognized term in the field of genetics and molecular biology.