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4270190
Meiosis Diagram
Description
A perfect diagram for understanding the cycle of meiosis.
No tags specified
cell biology
diagram
meiosis
biology
freshman
Mind Map by
taylorcb105
, updated more than 1 year ago
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Created by
taylorcb105
almost 9 years ago
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Resource summary
Meiosis Diagram
gametes
produce sex cells- egg or sperm
Chromosome number
diploid
cells that contain both sets of homologous chromosomes- 2N
haploid
gametes with a single set of chromosomes- N
Meiosis 1
Interphase 1
DNA replication
Prophase 1
each chromosome pairs with it's correspondent to form a tetrad that consists of 4 chromatids
crossing over
when the homologous chromosomes form tetrads they exchange portions of their chromatids which produce new combinations of alleles
Metaphase 1
Anaphase 1
Telophase 1 & Cytokinesis
cell separates into 2 haploid cells that are different from each other
Meiosis II
the 2 haploid cells produced by meiosis 1 enter meiosis II
unlike meiosis, neither cell goes through chromosome replication
each of the cell's chromosomes has 2 chromatids
Prophase II
Metaphase II
Anaphase II
Telophase II & Cytokinesis
results in 4 haploid daughter cells- N
each containing unreplicated chromosomes
female
results in 1 egg
other 3 (polar bodies) aren't involved in reproduction
male
results in 4 equal-sized gametes called sperm
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