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autotetraploid


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An autopolyploid organism with four similar genomes. They occur either naturally by the spontaneous accidental doubling of a 2n genome to 4n, or artificially, through the use of colchicine. They are present in many commercially important crop plants because, as with other polyploids, they tend to be associated with increased size of the plant (through increased cell size, fruit size, stomata size, etc.).

Subjects: Plant Sciences and Forestry — Ecology and Conservation.


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