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Polygenic Traits
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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.
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.
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 three or more forms of a gene that code for a single trait are called?
A gene can have multiple forms, which are called Alleles. While a single gene may code for a trait in an organism, when multiple alleles exist for that gene, each different may produce a different character of that trait. For example, a person has two copies of the gene that codes for ABO blood type. There are three different alleles for this gene, A, B and O. This results in six different combinations of the alleles that the person can have (the genotype), which in turn results in four expressions of the gene in the person (called the phenotype), which is the blood type of the person.
What controls a polygenic trait?
two or more genes
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.
What is trait called when it is controlled by more than one gene?
Polygenic Traits
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.
