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Thursday, January 31, 2013

A Meiosis Model

The following pictures demonstrates how sperm and eggs are made for reproduction through meiosis
Before meiosis, their is only one copy form each organism parents chromosomes which will later be duplicated 


The homologous pairs begin to move together 
Homologous chromosomes pair up
Homologous chromosomes cross over
Spindle fibers attach to the chromosomes
The chromosomes are pulled apart
These are the four daughter cells that were created after the cells divided 

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