Karyogamy
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Karyogamy is the fusion of pronuclei of two cells, as part of syngamy, fertilization, or true bacterial conjugation.
It is one of the two major modes of reproduction in fungi. In fungi that lack sexual cycles, it is an important source of genetic variation through the formation of somatic diploids.
The term comes for the Greek karuo- (from karuon) meaning nut and -gamos meaning marriage. Species that use this mode of reproduction can cause diseases like ringworm.
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