Mutation. Roland Smith

Mutation


Mutation.pdf
ISBN: 9780545081818 | 352 pages | 9 Mb


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Mutation Roland Smith
Publisher: Scholastic, Inc.



A BBC Bitesize secondary school revision resource for Higher Biology on mutations: gene and chromosome mutations, mutagenic agents, polyploidy. But wait, are all mutations bad? Mutation is a natural process that changes a DNA sequence. A sudden departure from the parent type in one or more heritable characteristics, caused by a change in a gene or a chromosome. Mutation testing (or Mutation analysis or Program mutation) is used to design new software tests and evaluate the quality of existing software tests. Mutations are performed on the byte code generated by the compiler rather than on the source files. There are three basic types of mutations: insertion, deletion and substitution. A mutation is a change in a DNA sequence. And it is more common than you may think. Mutation: A permanent change, a structural alteration, in the DNA or RNA. Neutral mutations are changes in DNA sequence that are neither beneficial nor detrimental to the ability of an organism to survive and reproduce. In this BrainPOP movie, Tim and Moby explain what genetic mutations are all about. In humans and many other organisms, mutations occur in DNA.





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