genome
Meaning
The complete set of genes or genetic material present in a cell or organism.
Structure
Usage
Scientists have successfully mapped the human genome.
The plant's genome contains information for drought resistance.
Comparative genomics involves analyzing the genomes of different species.
Etymology
The word 'genome' is a modern scientific coinage from the early 20th century, blending 'gene' with the suffix '-ome'. The root 'gene' traces back to the Ancient Greek genos, meaning "race, kind, or birth," which itself derives from the Proto-Indo-European root ǵénh₁os, related to producing or begetting. The suffix '-ome' was extracted from 'chromosome' (where soma means "body") and repurposed in biology to denote a totality or complete system, as seen in 'proteome' or 'metabolome'. Thus, 'genome' logically constructs the meaning of "the complete set (ome) of hereditary units (genes)," elegantly capturing the concept of an organism's full genetic blueprint.
Analysis
- gene: From German Gen, shortened from Pangen, itself from Ancient Greek genos (race, kind, offspring). Functions as the core root denoting a unit of heredity. - ome: A modern scientific suffix, abstracted from the word chromosome, and ultimately from the Greek suffix -ōma, denoting a mass or collection. Functions as a suffix to form nouns meaning "the complete set" of something.