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Karyotyping01:17

Karyotyping

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Overview
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Trihybrid Crosses02:27

Trihybrid Crosses

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Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal...
25.2K
Chi-square Analysis02:46

Chi-square Analysis

43.4K
The chi-square test is a statistical hypothesis test. It is used to check whether there is a significant difference between an expected value and an observed value. In the context of genetics, it enables us to either accept or reject a hypothesis, based on how much the observed values deviate from the expected values.
The chi-square test was developed by Pearson in 1990.
The first step of performing a Chi-square analysis is to establish a null hypothesis, which assumes that there is no real...
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Export of Mitochondrial and Chloroplast Genes02:19

Export of Mitochondrial and Chloroplast Genes

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A eukaryotic cell can have up to three different types of genetic systems: nuclear, mitochondrial, and chloroplast. During evolution, organelles have exported many genes to the nucleus; this transfer is still ongoing in some plant species. Approximately 18% of the Arabidopsis thaliana nuclear genome is thought to be derived from the chloroplast’s cyanobacterial ancestor, and around 75% of the yeast genome derived from the mitochondria’s bacterial ancestor. This export has occurred...
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Cell Signaling in Plants01:25

Cell Signaling in Plants

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Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
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Monohybrid Crosses01:20

Monohybrid Crosses

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Overview
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Updated: Jan 10, 2026

Fluorescence-microscopy Screening and Next-generation Sequencing: Useful Tools for the Identification of Genes Involved in Organelle Integrity
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Fluorescence-microscopy Screening and Next-generation Sequencing: Useful Tools for the Identification of Genes Involved in Organelle Integrity

Published on: April 13, 2012

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植物におけるエンジニアリング染色体数

Feng Zhang1,2, R Kelly Dawe3,4

  • 1Department of Plant and Microbial Biology, University of Minnesota, Saint Paul, MN, USA.

Science (New York, N.Y.)
|November 20, 2025
PubMed
まとめ
この要約は機械生成です。

染色体工学により アラビドプシス・タリアナの 8 染色体組が成功しました この研究は,将来の研究のために染色体構造を簡素化することによって,植物遺伝学を前進させる.

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Inducible, Cell Type-Specific Expression in Arabidopsis thaliana Through LhGR-Mediated Trans-Activation
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Standardized Method for High-throughput Sterilization of Arabidopsis Seeds
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Standardized Method for High-throughput Sterilization of Arabidopsis Seeds

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関連する実験動画

Last Updated: Jan 10, 2026

Fluorescence-microscopy Screening and Next-generation Sequencing: Useful Tools for the Identification of Genes Involved in Organelle Integrity
12:42

Fluorescence-microscopy Screening and Next-generation Sequencing: Useful Tools for the Identification of Genes Involved in Organelle Integrity

Published on: April 13, 2012

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Inducible, Cell Type-Specific Expression in Arabidopsis thaliana Through LhGR-Mediated Trans-Activation
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Inducible, Cell Type-Specific Expression in Arabidopsis thaliana Through LhGR-Mediated Trans-Activation

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Standardized Method for High-throughput Sterilization of Arabidopsis Seeds
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Standardized Method for High-throughput Sterilization of Arabidopsis Seeds

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科学分野:

  • 植物遺伝学
  • 染色体生物学
  • 分子生物学

背景:

  • アラビドプシス・タリアナは植物学におけるモデル生物である.
  • 染色体構造を理解することは 遺伝学の研究に不可欠です
  • アラビドプシス・タリアナのカリオタイプは複雑である.

研究 の 目的:

  • アラビドプシス・タリアナの 簡素化された染色体の設計です
  • 縮小された8染色体カリオタイプを作るために
  • アラビドプシス・タリアナの 将来の遺伝子研究を促進するためです

主な方法:

  • 先進的な染色体工学の技術を用いて
  • 遺伝子操作の戦略を 採用している
  • カリオタイプ構造を分析する

主要な成果:

  • アラビドプシス・タリアナの安定した8染色体カリオタイプを成功裏に生成した.
  • 植物における染色体縮小の実現可能性を示した.
  • エンジニアリングされたカリオタイプを特徴付けました.

結論:

  • 染色体工学は 植物ゲノムを簡素化する 有効な方法です
  • 縮小されたカリオタイプは アラビドプシスの研究に新しいツールを提供します.
  • この研究は作物改良と遺伝子研究に 影響を及ぼします