File:Chromosom.svg

Summary

Description
Deutsch: Modell der Feinstruktur eines Chromosoms.

Typisches Lehrbuchbild des Chromosomenaufbaus mit typischen Fehlern.

Dargestellt im Zellkern (Nucleus) sind Metaphasechromosomen; doch während der Prometaphase zerfällt die Kernhülle bei mehrzelligen Tieren, auch beim Menschen. In der Interphase dagegen liegen die Chromosomen dekondensiert in Territorien vor. Das Telomer ist per Definition das Ende eines Chromosoms; daher kann aus ihm keine weitere Fortsetzung der Chromatinfiber mehr hervorkommen (geschweige denn eine, die nicht die Telomer-DNA-Sequenz enthält). Die 10 nm Fiber entsteht aus DNA durch sehr gleichförmige Wicklungen um Histone in den Nucleosomen. Die Verdichtung oder Wendelung zur nächsthöheren Faltungsstruktur, der 30 nm Fiber, ist noch nicht vollständig geklärt, noch weniger sind es die höherer Strukturebenen der Kondensation.
Source http://www.genome.gov/Pages/Hyperion//DIR/VIP/Glossary/Illustration/chromosome.shtml
Author NIH, User:Phrood~commonswiki
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I, User:Phrood~commonswiki, changed the text and added some colors.

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Category:CC-PD-MarkCategory:National Institutes of Health images#Chromosom.svgCategory:PD US NIH Category:Diagrams comparing different levels of DNA condensation Category:SVG chromosomes Category:German-language SVG diagrams
Category:CC-PD-Mark Category:Diagrams comparing different levels of DNA condensation Category:German-language SVG diagrams Category:Invalid SVG created with Inkscape:Trigonometry Category:National Institutes of Health images Category:PD-self Category:PD US NIH Category:Path text SVG Category:SVG chromosomes Category:Self-published work