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A cell cycle process comprising the steps by which a cell progresses through prophase, the first stage of chromosome segregation in the cell cycle. Canonically, chromosomes condense and the two daughter centrioles and their asters migrate toward the poles of the cell. A cell cycle process comprising the steps by which a cell progresses through prophase of meiosis I; divided into several stages. A cell cycle process comprising the steps by which a cell progresses through the first phase of meiosis, in which cells divide and homologous chromosomes are paired and segregated from each other, producing two daughter cells. A cell cycle process comprising the steps by which a cell progresses through the nuclear division phase of a meiotic cell cycle, the specialized nuclear and cell division in which a single diploid cell undergoes two nuclear divisions following a single round of DNA replication in order to produce four daughter cells that contain half the number of chromosomes as the diploid cell. Meiotic division occurs during the formation of gametes from diploid organisms and at the beginning of haplophase in those organisms that alternate between diploid and haploid generations. A cell cycle process comprising the steps by which a cell progresses through the third stage of prophase I in meiosis, in which crossing over occurs between a chromatid in one partner and another chromatid in the homologous chromosome. A cell cycle process comprising the steps by which a cell progresses through the first stage of prophase I in meiosis, in which chromosomes first become visible. A checkpoint during late prophase I (pachytene) which prevents segregation of homologous chromosomes until recombination is completed and ensures proper distribution of the genetic material to the gametes. A cell cycle process comprising the steps by which a cell progresses through the second stage of prophase I in meiosis, in which each chromosome pairs with its homolog; the two become aligned and crossing over may occur. A cell cycle process comprising the steps by which a cell progresses through one of the biochemical and morphological phases and events that occur during successive cell replication or nuclear replication events. A cell cycle process comprising the steps by which a cell progresses through the final stage of prophase I in meiosis; the transition to meiotic metaphase I. A cell cycle process comprising the steps by which a cell progresses through the fourth stage of prophase I in meiosis, in which the homologous chromosomes begin to separate and the synaptonemal complex dissolves. A cell cycle process comprising the steps by which a cell progresses through M phase, the part of the cell cycle comprising nuclear division.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: meiotic prophase I
Acc: GO:0007128
Aspect: Biological Process
Desc: A cell cycle process comprising the steps by which a cell progresses through prophase of meiosis I; divided into several stages.
Proteins in PDR annotated with:
   This term: 10 [Search]
   Term or descendants: 28 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0007128 - meiotic prophase I (interactive image map)
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