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Meosis - Coggle Diagram
Meosis
Phases
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Prophase I
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Crossing over occurs, giving rise to recombinant chromosomes
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Misc. facts
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While somatic cells have 46 chromosomes (diploid), gametes have 23 chromosomes (haploid)
Nondisjunction occurs with separation error, when a cell receives too many or too few chromosomes
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Crossover is the tangling of homologous chromosomes, while homologous recombination is the switching of genetic material
23rd chromosome
If two X's, crossing over occurs
If X and Y, crossing over does not occur
In forming the primary oocyte, the three smaller egg cells are polar bodies