Paleopolyploid

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Ancient polyploidy or whole genome duplication events. These have usually happened long enough ago that polyploidy is unable to be determined by chromosome counts or genome size. One method to detected these are through syntenic dotplots. One famous paleopolyploidy event in angiosperms is the [paleohexaploidy]]. In vertebrates are the two sequential tetraploidies known as 2R.

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