Definition of molecular genetics 

: a branch of genetics dealing with the structure and activity of genetic material at the molecular level

Examples of molecular genetics in a Sentence

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In the last few years, however, advances in molecular genetics have afforded scientists insights into the rhinovirus, the most common cause of the common cold. Richard Klasco, M.d., New York Times, "Can You Get Two Colds at Once?," 30 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'molecular genetics.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of molecular genetics

1963, in the meaning defined above

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The first known use of molecular genetics was in 1963

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Medical Definition of molecular genetics 

: a branch of genetics dealing with the structure and activity of genetic material at the molecular level

More from Merriam-Webster on molecular genetics

Britannica.com: Encyclopedia article about molecular genetics

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