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Zusammenfassung - Biologie: Genetik

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Eine ausführliche, vollständige, gut geschriebene Zusammenfassung in Biologie. Sie würde zur Vorbereitung auf eine Klassenarbeit in der 10. Klasse eines Gymnasiums genutzt. Sie umfasst Themen wie die Verpackung der DNA, Replikation der DNA, Bau der DNA, Mitose, Meiose, Stammbaumanalyse und verschiedene Mutationen.

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, -natib

> Teilbereich der Biologie ,
der sich mit
Vererbung befasst
Chromatin :


-
Erbinformation steckt in der Erbsubstanz (DNA)
als fa diges Gefecht im Zellkern (Chromatin)
-
>
-

-
Arbeitsform der DNA
Chromosomen steuern Vorgange in Zelle)
Chromosomen :


-

einzelner Faden des Chromatins :
Chromosom
-

Transportform der DNA
> Chromosomen faden wickeln sich schraubenfermig auf
-




Korperzelle enthalt 46 Chromosomen
-


bestehen aus DNA & Proteinen
-

Trager der Erbinformation


* ↓
Chrom.
arm
↑ Chromatic
, Chromatin
Zentromer I ·
Zellkern I
- 2-Chromatid-Chromosom
1-Chromatid-Chromosom
Arbeitsform -
Transportform

Karyogrammi
> geordnete Darstellung aller Chromosomen (Transport-
form einer Zelle)
1-22 :
Autosomen
> alle Chromosomen auser
Geschlechtschromosomen


·
homologes Chromosomen-
paar
> gleichen sich in Gre & Form
Chier 22)
I

Gonosomen
> Geschlechtschromosomen
>
-
doppelter (diploider) Chromosomensat
> Gesamtheit aller Chromosomen im zellkern
>
jedes Chromosom zmal vorhanden von Mutter & Vater :

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October 26, 2025
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2025/2026
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Summary
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