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Polygenic Traits
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What is a trait called when it is controlled by more than on gene?
A trait that is controlled by more than one gene is called polygenic. This means that multiple genes contribute to the expression of the trait, leading to a continuous range of phenotypic variation. Examples of polygenic traits include height, skin color, and intelligence.
A characteristic controlled by one or more genes is called a?
trait
What is one difference between a single gene trait and a polygenic trait?
Multiple alleles are "the existence of more than two alleles (versions of the gene) for a genetic traits. Polygenic traits are "[characteristics of organisms that are] influenced by several genes." So multiple alleles are more than two alleles for one trait, and polygenic traits are one trait that is influenced by mulitple genes. This information came from my biology textbook, "Biology: Principles and Explorations" by Holt, Rinehart, and Winston.
Can a single gene control a single trait?
It was once believed that one gene controls one trait, so it is possible. Currently, the belief is that one gene can interact with other genes to control a trait, and that one gene can control more than one trait.
When a single trait is affected by more than one gene locus this called?
This is called polygenic inheritance. Multiple genes contribute to the expression of a single trait in polygenic inheritance, resulting in a continuum of phenotypic variation. Traits like height, skin color, and intelligence are influenced by multiple gene loci.
What is a trait is called when it is controlled by more than one gene?
Polygenic Traits
What is a trait called when it is controlled by more than on gene?
A trait that is controlled by more than one gene is called polygenic. This means that multiple genes contribute to the expression of the trait, leading to a continuous range of phenotypic variation. Examples of polygenic traits include height, skin color, and intelligence.
A characteristic controlled by one or more genes is called a?
trait
How is the gene involved in sickle cell anemia different from the genes for pea plants' traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
There or more forms of a gene that code for a single trait are called?
phenotype
What is a poly allelic trait?
A polyallelic trait is a trait controlled by multiple alleles (variants of a gene) at a single gene locus. This means there are more than two possible alleles that can influence the trait's expression, resulting in a range of phenotypic variations. This can lead to a complex inheritance pattern.
How is the gene involved in sickle cell anemia different from the gene for pea plant traits that Mendel studied?
One gene controlled one trait within Mendel's study, but the sickle cell anemia effects more than one trait.
Multiple gene or polygenic inheritance occurs when two or more genes code for a single trait?
Polygenic inheritance occurs when a trait is controlled by two or more genes. Each gene contributes a small amount to the phenotype of the trait, resulting in a continuous range of phenotypic variations.
What are traits called that are controlled by more than one gene?
They are called Polygenic Traits.
When a particular inherited characteristic is controlled more by one gene of a pair than by the other the stronger gene is called?
dominant
The blood type trait which is controlled by more than two alleles for a given gene and therefore is called?
The blood type trait that is controlled by more than two alleles for a given gene is known as the ABO blood group system. It involves three alleles: A, B, and O, which determine blood types A, B, AB, and O. This system results in four possible blood types due to the combination of these multiple alleles.
What is one difference between a single gene trait and a polygenic trait?
Multiple alleles are "the existence of more than two alleles (versions of the gene) for a genetic traits. Polygenic traits are "[characteristics of organisms that are] influenced by several genes." So multiple alleles are more than two alleles for one trait, and polygenic traits are one trait that is influenced by mulitple genes. This information came from my biology textbook, "Biology: Principles and Explorations" by Holt, Rinehart, and Winston.
