genomic DNA

American  

noun

1. the DNA constituting the genome of a cell or organism, as distinguished from extrachromosomal DNAs, such as plasmids. gDNA

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Etymology

Origin of genomic DNA

First recorded in 1985–90

Example Sentences

To test whether look-alike spiders were masking more than one species, Jochim and colleagues examined genomic DNA from Aptostichus simus collected throughout its range.

From Science Daily • Nov. 2, 2025

Because genomic DNA is folded around histone proteins to create nucleosome complexes, nucleosomes physically regulate the access of proteins, such as transcription factors and enzymes, to the underlying DNA.

From Textbooks • Jun. 9, 2022

Dr. Fumagalli and his colleagues then extracted genomic DNA from the samples and sequenced them in a lab in Switzerland.

From New York Times • Jul. 18, 2021

The researchers identified functional changes in the genomic DNA of eight out of 13 Siglecs encoded in a cluster in the CD33 gene on chromosome 19 in humans, Neanderthals, and Denisovans.

From Science Magazine • Jul. 24, 2020

This happens via a process where parts of the genome that are highly identical accidentally misalign, resulting in different deletions or even duplications of the genomic DNA.

From Salon • Jun. 9, 2018