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Cell Division (Meiosis (consists of two divisions (no intervening S phase…
Cell Division
Meiosis
less common form of cell division
sexual reproduction
consists of two divisions
no intervening S phase between them
Prophase I
5 stages
leptotene-1
condense
zygotene-2
paiiring
pachytene-3
crossing over
diplotene-4
chromosomes move away but do not seperate
diakenisis-5
seperation continues
after meiosis one the other stages are similar of mitosis
remember Meosis II
Mitosis
more common
"duplication division"
4 stages
prophase
chromosomes condense
chromosomes become visible
spindle forms
kinetochore
metaphase
metaphase plate
separase
two chromatids are free
Anaphase
starts when centromeres released
chromatids begin to get pulled to opposite sides
Telophase
nuclear envelope formed
asexual reproduction
Cell Cycle
interphase
S Phase
synthesis- 2nd stage-replication
genome
chromosomes
chromatids
histones
eukaryotes
G2 Phase
preparation for division
G1 Phase
1st stage after division-recovery
division
karyokinesis
division of nucleus
mitosis
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meiosis
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cytokinesis
division of cytoplasm
meosis vs. mitosis