Polyploidy is the multiplication of number of chromosomal sets from 2n to 3n (triploidy), 4n (tetraploidy) and so on. It is quite common in plants, for example many crops like wheat or Brassica forms. ...

Speciation can occur by polyploidy. My understanding of the process is as follows:
'polyploidy is when the number of chromosomes in an organism's cell doubles. This means that the organism has more ...