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相关概念视频

The Scientific Method01:32

The Scientific Method

The scientific method is a detailed, empirical problem-solving process used by biologists and other scientists. This iterative approach involves formulating a question based on observation, developing a testable potential explanation for the observation (called a hypothesis), making and testing predictions based on the hypothesis, and using the findings to create new hypotheses and predictions.Generally, predictions are tested using carefully-designed experiments. Based on the outcome of these...
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Transgenic Organisms

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Ethics in Research01:56

Ethics in Research

Today, scientists agree that good research is ethical in nature and is guided by a basic respect for human dignity and safety. However, this has not always been the case. Modern researchers must demonstrate that the research they perform is ethically sound.

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相关实验视频

Updated: Jun 10, 2026

Atomic Scale Structural Studies of Macromolecular Assemblies by Solid-state Nuclear Magnetic Resonance Spectroscopy
14:55

Atomic Scale Structural Studies of Macromolecular Assemblies by Solid-state Nuclear Magnetic Resonance Spectroscopy

Published on: September 17, 2017

邪恶的牛和先生们科学家们.

J B Gurdon1

  • 1Wellcome/Cancer Research UK Institute, Cambridge CB2 1QN, United Kingdom. jbg.1000@hermes.cam.ac.uk

Cell
|December 6, 2005
PubMed
概括

一个单一的基因突变可以逆转身体轴,证明了母亲效应基因在早期发育中的关键作用. 这些基因控制着基本的发育事件,这是一个已知一个世纪的原则.

科学领域:

  • 发育生物学 发展生物学
  • 遗传学 是一个遗传学.

背景情况:

  • 母性效应基因对于建立胚胎极性和身体轴形成至关重要.
  • 早期发育事件是由母亲遗传的遗传因素精确调节的.

研究的目的:

  • 为了说明单基因突变对身体轴决定的重大影响.
  • 突出母亲效应基因在调节早期胚胎发育中的作用.

主要方法:

  • 对导致身体轴反转的特定基因突变的分析.
  • 发展遗传学的历史原则的审查.

主要成果:

  • 发现单个基因突变导致身体轴 (左右和右左) 完全逆转.
  • 这种突变是更广泛的母性效应基因类别的一个主要例子.

结论:

  • 母性效应基因在早期发育过程中在建立身体计划方面发挥着基本作用.
  • 这项研究加强了发育生物学中长期存在的原则,强调了单个基因在编排复杂发育结果方面的力量.

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