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Life Science

Heredity: Inheritance and Variation of Traits

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Heredity: Inheritance and Variation of Traits: DNA

Mutation

Description

Mutation

A mutation is a change in an organism's DNA sequence. Mutations can occur naturally or be triggered by environmental factors such as radiation, chemicals, or viruses. They can take different forms, such as substitutions, where one DNA base is replaced with another, deletions, where a section of DNA is removed, or ...

Transcript

Every time cells divide to make new cells, the DNA also gets replicated. Cells have sophisticated mechanisms to check and fix errors that may arise during DNA replication.

Sometimes, small mistakes may go unchecked, causing a permanent change in the DNA sequence, this is called a mutation.

It can happen naturally during cell divisio...

Tags

MutationDNA SequenceGenetic VariationSubstitution MutationDeletion MutationInsertion MutationGenetic DisordersEvolutionary AdaptationEnvironmental FactorsSpecies Evolution

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