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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.


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.


What is a gene that has 3 or more alleles for a single trait?

An example of a gene with three or more alleles for a single trait is the ABO blood group gene. This gene has three main alleles - A, B, and O - which determine blood type. The different combinations of these alleles result in the various blood types (A, B, AB, and O) observed in humans.


Does natural selection on single-gene trait cannot lead to changes in allele frequencies?

Natural selection acting on a single-gene trait can lead to changes in allele frequencies within a population. If individuals with a certain allele have a selective advantage, they are more likely to survive and reproduce, leading to an increase in the frequency of that allele in the population over time. This process is known as directional selection.


Is height in humans is an example of a single gene traits?

Height in humans is not an example of a single gene trait. It is a polygenic trait, meaning it is influenced by multiple genes as well as environmental factors. Multiple genes interact to determine an individual's height, making it a more complex trait.

Related Questions

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.


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.


There or more forms of a gene that code for a single trait are called?

phenotype


What is one difference between single gene trait and a polygenic trait?

Polygenic traits result in more variation because so many more alleles are involved in the process of reproduction.


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.


What is a gene that has 3 or more alleles for a single trait?

An example of a gene with three or more alleles for a single trait is the ABO blood group gene. This gene has three main alleles - A, B, and O - which determine blood type. The different combinations of these alleles result in the various blood types (A, B, AB, and O) observed in humans.


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.


What is polygeny?

Inheritance in which more than one gene pair affects the appearance of a particular trait. Polygenetic inheritance refers to the non-Mendelian form of inheritance in which a particular trait is produced by the interaction of many genes.


When two or more forms of the gene for a single trait exist some forms may be?

When two or more forms of a gene for a single trait exist, some forms may be dominant and others recessive. Dominant forms of a gene will be expressed over recessive forms in the phenotype. This is known as codominance or incomplete dominance.


Does natural selection on single-gene trait cannot lead to changes in allele frequencies?

Natural selection acting on a single-gene trait can lead to changes in allele frequencies within a population. If individuals with a certain allele have a selective advantage, they are more likely to survive and reproduce, leading to an increase in the frequency of that allele in the population over time. This process is known as directional selection.


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.