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Mutation - Wikipedia


In biology, a mutation is the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic ...

What is a gene mutation and how do mutations occur? - Genetics ...


Mutations range in size; they can affect anywhere from a single DNA building block (base pair) to a large segment of a chromosome that includes multiple genes ...

Genetic Mutation | Learn Science at Scitable - Nature


Mutations are changes in the genetic sequence, and they are a main cause of diversity among organisms. These changes occur at many different levels, and ...

Genetic Mutation | Learn Science at Scitable - Nature


A mutation is a heritable change in the nucleotide sequence of an organism's DNA that ultimately serves as a source of genetic diversity. A single base change  ...

Mutations and Disease | Understanding Genetics


Few mutations are bad for you. In fact, some mutations can be beneficial. Over time, genetic mutations create genetic diversity, which keeps populations healthy.

What is Mutation? - Learn Genetics Utah


The whole human family is one species with the same genes. Mutation creates slightly different versions of the same genes, called alleles. These small ...

10 Unusual Genetic Mutations in Humans - io9


Apr 5, 2013 ... But sometimes these biological differences lead to genetic mutations that are extremely rare, and sometimes debilitating. Historically, many ...

Mutations - Understanding Evolution


Genetic drift ... Mutations. Mutation is a change in DNA, the hereditary material of life. ... Mutations can be beneficial, neutral, or harmful for the organism, but ...

DNA and Mutations - Understanding Evolution


Mutations are essential to evolution; they are the raw material of genetic variation . Without mutation, evolution could not occur. In this tutorial, we'll explore:.

The causes of mutations - Understanding Evolution


Sex and genetic shuffling · Development · Genetic ... is not quite perfect. That small difference from the original DNA sequence is a mutation. ... Mutations can also be caused by exposure to specific chemicals or radiation. These agents cause ...