Autopolyploidy A type of polyploidy involving the multiplication of chromo-some sets from only one species.

通常是由体，纯种的染色体数目加倍成的多倍性现象。

Polyploidy is a mechanism often attributed to causing some speciation events in sympatry.

多倍性常被当在地区并存的物种发生物种形成事件的种机制。