Genetic Variation
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May 1, 2024
4 minute read
Genetic variation is the presence of differences in DNA sequences between individuals. It is the raw material for evolution, and it is essential for the survival of species. Genetic variation can occur in any part of the genome, and it can be caused by a variety of factors, including mutations, genetic recombination, and gene duplication.
Types of Genetic Variation
There are many different types of genetic variation. Some of the most common include:
- Single nucleotide polymorphisms (SNPs) are the most common type of genetic variation. They are caused by a single nucleotide being changed in the genome.
- Insertion-deletion polymorphisms (indels) are caused by the insertion or deletion of a section of DNA.
- Copy number variations (CNVs) are caused by the duplication or deletion of a section of DNA.
- Structural variations are caused by the rearrangement of sections of DNA.
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Find a path to becoming a Genetic Variation. Learn more at:
OpenCourser.com/topic/94mlv4/genetic
