-Chromatidentetraden
lagern sich zufällig in Äquatorial-
r -------
ebene an
. . . . . . . . .
Lage entscheidet über spätere Verteilung
-
i -
Trennung der homologen Chromosomenpaare
=
-
Interchromosomale Rekombination : bei n-Chromosomen
gibt es
zu
mögliche Neukombinationen
-D Meiose 1
Ergebnis der :
zwei
haploide , erbungsgleiche Tochterzellen mit
2-Chromatid-Chromosomen
u
Dis
*
Anaphase 2 Schwesterchromatiden trennen sich
-
>
an
jedem Zellpol vollständiger Satz 1-Chromatid-Chromosomen
-
ein von
>
-
identisch
- haploide ,
erblich ungleiche Tochterzellen mit
Diesie
Telopnases .
an 1 Chromatid-Chromosomen
-Zellteilung (Cytokinese) beginnt nach Abschluss der
Kernteilung
Zellzyklus GPhase
eine
-Chromosomenverkürzen
: i
:
&
S-Phase
(DNA-Synthese
:
↓
Verdopplung der DNA ~
~
M-Phase : -
erst Kernteilung
(Mitosel -
dann Cytokinese (Zellteilung)
=> Verteilung auf Tochterzellen
-111
zoPhaSnicht
teilen
, werden hier
El G-Phase
(Gap 1)
: -Zelle wächst
-Zellorganellen
werden
+
verdoppelt
Bestandteile des Cytoplasma
festgehalten
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