Automixie
The automixie (or meiotic Parthenogenesis) is a form of not sexuée reproduction, but which does not correspond to a multiplication clonale.
In the automixie, the zygote (Diploïde) is resulting from the fusion of two haploid cells, products meiotic of a single individual female. The fusion of the two haploid cells leads to the creation of an individual who does not have the same genotype that the female (it is Homozygote for part of the Allèles hétérozygotes of the relative).
At the plants, the automixie is regarded as a vegetative multiplication by seed (Agamospermie). The Oosphere haploid present in the embryonic bag, instead of amalgamating with the vegetative core of the pollen tube, amalgamates with another cell Haploïde of the embryonic Sac - which can be a cell synergide or a cell antipode - to form a cell diploïde. This cell diploïde will form the embryo of seed.
The automixie can be started by pollen and the pollen tube, which does not manage however to fertilize the haploid cells of the embryonic bag.
The automixie has applications in agronomy, while making it possible to fix genetic characters interesting and by removing any genetic variability of these characters.
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