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関連する概念動画

Mutations in Microorganisms01:18

Mutations in Microorganisms

Mutations are heritable changes in an organism’s genome involving alterations in the base sequence of DNA or RNA. These changes can influence cellular processes and phenotypic traits, potentially transforming the unaltered wild type into a mutant form. Such changes, termed forward mutations, are pivotal in shaping the genetic diversity of organisms.RNA viruses exhibit the highest mutation rates due to the absence of robust proofreading mechanisms during genome replication. In contrast,...
Mismatch Repair01:20

Mismatch Repair

Organisms are capable of detecting and fixing nucleotide mismatches that occur during DNA replication. This sophisticated process requires identifying the new strand and replacing the erroneous bases with correct nucleotides. Mismatch repair is coordinated by many proteins in both prokaryotes and eukaryotes.
The Mutator Protein Family Plays a Key Role in DNA Mismatch Repair
The human genome has more than 3 billion base pairs of DNA per cell. Prior to cell division, that vast amount of genetic...
Mismatch Repair01:36

Mismatch Repair

Overview
Mutations01:39

Mutations

Overview
Mutations01:39

Mutations

Overview
Mutations01:35

Mutations

Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
Chromosomal Alterations Are Large-Scale Mutations
While point mutations are changes in a single nucleotide in...

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関連する実験動画

Updated: Jul 11, 2026

Measuring Microbial Mutation Rates with the Fluctuation Assay
07:44

Measuring Microbial Mutation Rates with the Fluctuation Assay

Published on: November 28, 2019

変異の理論とは

T L Casey

    Science (New York, N.Y.)
    |September 8, 1905
    PubMed
    まとめ

    No abstract available in PubMed .

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    Following the Dynamics of Structural Variants in Experimentally Evolved Populations

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    A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
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    A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia

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    関連する実験動画

    Last Updated: Jul 11, 2026

    Measuring Microbial Mutation Rates with the Fluctuation Assay
    07:44

    Measuring Microbial Mutation Rates with the Fluctuation Assay

    Published on: November 28, 2019

    Following the Dynamics of Structural Variants in Experimentally Evolved Populations
    04:52

    Following the Dynamics of Structural Variants in Experimentally Evolved Populations

    Published on: February 3, 2023

    A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
    05:51

    A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia

    Published on: June 15, 2011