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A mutation in a pre-existing gene. If the mutation effects the phenotype derived from the gene, it is determined to be a different allele.

Mutations can be small (such as a single nucleotide polymorphism) or large (such as entire genome duplication).

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14y ago

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Related Questions

What genes with different information at the same locus?

alleles


Different forms of a gene are called?

different form of genes are called allele


What are the different formes of genes called?

Alleles are forms of genes for a trait.


What are different genes for the same trait?

Alleles


What are different genes for same trait?

Alleles


What are different forms of genes?

Alleles are different forms for a trait


What are different types of genes called?

Different types of genes are called alleles, which are alternate forms of the same gene that can produce variations in a trait. Additionally, there are also different categories of genes such as regulatory genes, structural genes, and non-coding genes that play various roles in controlling different biological processes.


What are the multiple forms of genes called?

Alleles are genes that exist in multiple forms.


Genes that come together with different alleles are called?

Genes that come together with different alleles are called linked genes. These genes are located close together on the same chromosome and tend to be inherited together during meiosis.


How are multiple alleles different from polygenic traits?

Multiple alleles are genes that have more than two alleles. An example of this would be blood types, with ABO as three separate alleles.Polygenic traits are traits whose phenotype rely on alleles from different genes. An example of this would be hair type, which relies on genes from different parts of chromosomes.The main difference is that multiple alleles are genes with 3 or more alleles; polygenic traits do not necessarily have more alleles, but they rely on on multiple genes.


What are the different forms of genes?

Genes can exist in different forms or variations called alleles. Alleles are alternative versions of a gene that can lead to different traits or characteristics in an organism. For example, a gene that controls eye color may have alleles for blue, brown, or green eyes.


Different forms of gene?

Genes can exist in different forms called alleles, which are variations of a gene. Alleles can be dominant or recessive, influencing the expression of traits in an organism. Additionally, genes can undergo mutations, such as insertions, deletions, or substitutions, leading to genetic diversity within a population.