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相关概念视频

Nucleotide Excision Repair01:08

Nucleotide Excision Repair

Overview
Mutations01:39

Mutations

Overview
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
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...
Nucleotide Excision Repair01:38

Nucleotide Excision Repair

DNA Distortion and Damage
Cells are regularly exposed to mutagens—factors in the environment that can damage DNA and generate mutations. UV radiation is one of the most common mutagens and is estimated to introduce a significant number of changes in DNA. These include bends or kinks in the structure, which can block DNA replication or transcription. If these errors are not fixed, the damage can cause mutations, which in turn can result in cancer or disease depending on which sequences are...

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相关实验视频

Updated: Jul 7, 2026

DNA Vector-based RNA Interference to Study Gene Function in Cancer
13:10

DNA Vector-based RNA Interference to Study Gene Function in Cancer

Published on: June 4, 2012

这种疾病是DNA疾病.

DeWitt Stetten

    Nature
    |May 27, 1982
    PubMed
    概括

    No abstract available in PubMed .

    关键词:
    生物医学和行为研究研究.商业秘密 商业秘密 商业秘密

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