KEY GENE Meaning and
Definition
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A key gene, in the realm of genetics and molecular biology, refers to a specific gene that plays a critical role in various biological processes or functions within an organism. Key genes are often known for their significance in influencing a specific trait, disease susceptibility, or the regulation of fundamental cellular activities. These genes serve as major determinants in the development, growth, and overall maintenance of an organism.
Key genes are typically defined by their ability to control the expression of other genes and their involvement in important biochemical pathways. They are often identified through extensive scientific research, including genetic studies, gene expression analysis, or functional experiments. Key genes often act as master regulators, directly or indirectly influencing the activity of a wide range of downstream genes.
Additionally, key genes may also possess properties that make them unique among other genes. This can include their location on a chromosome, their specific sequence, or their ability to interact with other molecules within the cell. The identification and understanding of key genes are crucial as they provide insights into disease mechanisms, enable the development of targeted therapies, and advance our knowledge of the intricate workings of organisms at the molecular level.
Overall, key genes are pivotal components of an organism's molecular machinery and hold immense significance in shaping biological processes and determining an organism's characteristics and health.
Common Misspellings for KEY GENE
Etymology of KEY GENE
The term "key gene" does not have a specific etymology. Instead, it is a combination of two separate words: "key" and "gene".
The word "key" originated from Middle English (circa 1200) and derives from the Old English word "cǣg". It can be traced back further to the Proto-Germanic word "*kaigaz". "Key" originally referred to a device used to open or close a lock and unlock something.
On the other hand, "gene" has a more scientific origin. It originated in the early 20th century from the word "gen" coined by Danish botanist and geneticist Wilhelm Johannsen in 1909. It was derived from the Greek word "génos", meaning "race" or "kind".
