What does pleiotropic mean?
Pleiotropy is a fundamental concept in genetics that describes the phenomenon where a single gene influences multiple phenotypic traits. This concept has far-reaching implications for our understanding of the genetic basis of complex diseases, such as cancer and neurological disorders. The discovery of pleiotropic effects has led to the development of new diagnostic tools and treatments. In addition, pleiotropy has significant implications for our understanding of evolutionary processes and the adaptation of organisms to their environments. While pleiotropy can be a complex and multifaceted concept, it is a crucial area of study in genetics and has the potential to lead to significant advances in our understanding of the natural world.
adjective
Pleiotropic refers to a phenomenon in genetics where a single gene influences multiple seemingly unrelated phenotypic traits. This means that a single gene can have multiple effects on an organism's physical characteristics or behavior.
- 1. The phenomenon where a single gene influences multiple phenotypic traits.
- 2. In a broader sense, any situation where a single factor has multiple effects.
"The discovery of the pleiotropic effects of the BRCA2 gene has led to a greater understanding of the genetic basis of breast cancer."
"The BRCA2 gene is an example of a pleiotropic gene, as it influences both breast cancer risk and ovarian cancer risk."
"The effects of climate change on ecosystems can be seen as a pleiotropic effect, as it influences multiple aspects of the environment."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of pleiotropic
The word 'pleiotropic' comes from the Greek words 'pleion', meaning 'more', and 'tropos', meaning 'turn' or 'direction'. This refers to the idea that a single gene can influence multiple directions or traits. The term was first used in the 19th century to describe the phenomenon of pleiotropy in genetics.
Usage notes
Pleiotropy is a formal term that is commonly used in scientific and academic contexts. It is not typically used in everyday conversation, but it is an important concept in genetics and evolutionary biology.