Somatic apospory - Define.
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apomixiswas defined byHans Winkleras replacement of the normalsexual reproductionbyasexual reproduction, without fertilization.[1]Its etymology is Greek for "away from" +"mixing". This definition notably does not mentionmeiosis. Thus "normalasexual reproduction" of plants, such as propagation from cuttings or leaves, has never been considered to be apomixis, but replacement of the seed by aplantletor replacement of the flower bybulbilswere categorized as types of apomixis. Apomictically produced offspring are genetically identical to the parent plant.
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Somatic apospory is the formation of the complete embryo sac from the somatic cell.
- Apospory is the development of the sporophytic cell's full embryo sac without meiosis to hold the gametophyte diploid. There are two forms of apospory.
- The two forms are the somatic apospory where the embryo sac is produced from the somatic nucleus and the generative apospory is when the embryo sac is produced without meiosis from the archesporium.
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