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Ontology Browser
Term:
homologous chromosome segregation (GO:0045143)
Annotations: Rat: (74) Mouse: (72) Human: (77) Chinchilla: (63) Bonobo: (67) Dog: (72) Squirrel: (66) Pig: (73)
Parent Terms Term With Siblings Child Terms
meiosis I +     
meiotic chromosome segregation +     
achiasmate meiosis I 
attachment of spindle microtubules to kinetochore involved in meiotic chromosome segregation +   
distributive segregation 
dynein-driven meiotic oscillatory nuclear movement +  
female meiosis chromosome segregation +   
female meiosis I +   
homologous chromosome segregation +   
The cell cycle process in which replicated homologous chromosomes are organized and then physically separated and apportioned to two sets during the first division of the meiotic cell cycle. Each replicated chromosome, composed of two sister chromatids, aligns at the cell equator, paired with its homologous partner; this pairing off, referred to as synapsis, permits genetic recombination. One homolog (both sister chromatids) of each morphologic type goes into each of the resulting chromosome sets.
male meiosis chromosome segregation +   
male meiosis I +   
meiosis I nuclear membrane disassembly 
meiosis I nuclear membrane reassembly 
meiotic chromosome movement towards spindle pole +   
meiotic chromosome separation +   
meiotic metaphase plate congression +   
meiotic sister chromatid arm separation +  
meiotic sister chromatid cohesion involved in meiosis I  
meiotic sister chromatid segregation +   
meiotic spindle assembly +   
meiotic spindle elongation +   
negative regulation of meiosis I +  
positive regulation of meiosis I  
reciprocal meiotic recombination +   
regulation of meiosis I +   
resolution of meiotic recombination intermediates  

Synonyms
Exact Synonyms: meiosis I, chromosome segregation
Alternate IDs: GO:0007061
Definition Sources: GOC:ai, ISBN:0815316194

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