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What is a single gene that has multiple phenotypic effects?
pleiotropy
What does pleiotropy mean?
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits (those you see). A series of defects that affect multiple systems but is caused by one defective gene.
What type of distribution curve can be seen with polygenic inheritance?
A bell-shaped curve (normal distribution) can be seen with polygenic inheritance, where phenotypic traits are influenced by the combined effects of multiple genes. This results in a continuous range of phenotypic expression, with most individuals clustering around the mean value.
What is the difference between epistasis and codominance?
Well, one major difference is, homeostasis (the regulation of stable conditions in the internal environment) is a property of a system (or organism), while epistasis and pleiotropy are properties of genes. However, certain kinds of homeostasis can be controlled by genes (think of the lacoperon). There is a kind of homeostasis, genetic homeostasis, but that is a property of populations, and probably not what you had in mind. Epistasis is the interaction of two or more genes; therefore it is a property of multiple genes. This distinguishes it from pleiotropy,which is a property of a single gene, since a gene is pleiotropic if it effects multiple phenotypes.
What are pleiotropic traits?
Pleiotropic traits are single genes that affect multiple, seemingly unrelated, phenotypic traits. They are often the result of complex interactions between genes and can have wide-ranging effects on an organism's characteristics. Examples include sickle cell anemia, which can affect both red blood cell shape and resistance to malaria.
What is a single gene that has multiple phenotypic effects?
pleiotropy
What is the definition of pleiotropy?
Pleiotropy is the phenomenon in which a single gene affects multiple, seemingly unrelated phenotypic traits. This can result in a variety of effects across an organism's characteristics due to the influence of a single genetic locus.
What is the difference between pleiotropy and polygenic inheritance?
Pleiotropy refers to a single gene influencing multiple phenotypic traits, while polygenic inheritance involves multiple genes contributing to a single trait. Pleiotropy can lead to diverse phenotypic effects, while polygenic traits are often influenced by the additive effects of multiple genes.
Can a single gene can influence multiple traits?
Yes, a single gene can influence multiple traits through a concept called pleiotropy. This occurs when a gene has different effects on multiple phenotypic traits. An example of this is the gene responsible for sickle cell anemia, which can affect not only red blood cell shape but also resistance to malaria.
Can a single gene influence multiple traits?
Yes, a single gene can influence multiple traits through a phenomenon known as pleiotropy. This occurs when a gene's expression affects more than one phenotypic trait due to its role in multiple biological pathways. Pleiotropy can result in diverse and interconnected effects throughout an organism's development and physiology.
Define and distinguish between pleiotropy and polygenic inheritance?
Pleiotropy occurs when a single gene influences multiple, seemingly unrelated traits or phenotypes. Polygenic inheritance, on the other hand, involves the combined effect of multiple genes on a single trait. In pleiotropy, one gene has multiple effects, whereas in polygenic inheritance, multiple genes each have a small additive effect on a trait.
What does pleiotropy mean?
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits (those you see). A series of defects that affect multiple systems but is caused by one defective gene.
How is sickle cell anemia an example of a pleiotropy?
Sickle cell anemia is an example of pleiotropy because the mutation in the hemoglobin gene affects multiple organ systems and physiological functions. Individuals with this condition not only experience anemia, but also suffer from pain crises, increased risk of infections, and complications in various organs like the lungs and kidneys. This single genetic mutation leads to diverse and far-reaching effects, illustrating how one gene can influence multiple traits and health outcomes.
What type of distribution curve can be seen with polygenic inheritance?
A bell-shaped curve (normal distribution) can be seen with polygenic inheritance, where phenotypic traits are influenced by the combined effects of multiple genes. This results in a continuous range of phenotypic expression, with most individuals clustering around the mean value.
What terms refers to a situation where a single phenotypic character is determined by the additive effects of two or more genes?
Polygenic.
What is the difference between epistasis and codominance?
Well, one major difference is, homeostasis (the regulation of stable conditions in the internal environment) is a property of a system (or organism), while epistasis and pleiotropy are properties of genes. However, certain kinds of homeostasis can be controlled by genes (think of the lacoperon). There is a kind of homeostasis, genetic homeostasis, but that is a property of populations, and probably not what you had in mind. Epistasis is the interaction of two or more genes; therefore it is a property of multiple genes. This distinguishes it from pleiotropy,which is a property of a single gene, since a gene is pleiotropic if it effects multiple phenotypes.
When was The Multiple Effects of Rainshadow created?
The Multiple Effects of Rainshadow was created in 1996.
