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A biological process whose specific outcome is the progression of an integrated living unit: an anatomical structure (which may be a subcellular structure, cell, tissue, or organ), or organism over time from an initial condition to a later condition. The process whose specific outcome is the progression of the pollen grain over time, from its formation as the microspore to the mature structure. The process whose specific outcome is the progression of the pollen grain over time, from its formation to the mature structure. The process begins with the meiosis of the microsporocyte to form four haploid microspores. The nucleus of each microspore then divides by mitosis to form a two-celled organism, the pollen grain, that contains a tube cell as well as a smaller generative cell. The pollen grain is surrounded by an elaborate cell wall. In some species, the generative cell immediately divides again to give a pair of sperm cells. In most flowering plants, however this division takes place later, in the tube that develops when a pollen grain germinates. The process whereby a relatively unspecialized cell acquires specialized features of a generative cell. The generative cell gives rise to the sperm cells in the male gametophyte. A biological process whose specific outcome is the progression of a cell over time from an initial condition to a later condition. The process whereby relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. Differentiation includes the processes involved in commitment of a cell to a specific fate and its subsequent development to the mature state.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: generative cell differentiation
Acc: GO:0022619
Aspect: Biological Process
Desc: The process whereby a relatively unspecialized cell acquires specialized features of a generative cell. The generative cell gives rise to the sperm cells in the male gametophyte.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 1 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0022619 - generative cell differentiation (interactive image map)
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