Usually the chromosoe number is 2n or diploid, when an organism has more than two sets of chromosomes then they are called polyploid and the phenomena is called Polyploidy. It is not a very uncommon phenomena in plants. Highest polyploidy is found in ferns. Orchidaceae is supposed to be one group with high polyploidy too. Regards Pankaj
On Sat, Sep 25, 2010 at 7:17 PM, promila chaturvedi <[email protected]> wrote: > Dear All, > I want to know what is Polyploid and Polyploidy. This is usuall occurance in > Passifloras, but can bein other plants as well. > Promia -- *********************************************** "TAXONOMISTS GETTING EXTINCT AND SPECIES DATA DEFICIENT !!" Pankaj Kumar Ph.D. (Orchidaceae) Research Associate Greater Kailash Sacred Landscape Project Department of Habitat Ecology Wildlife Institute of India Post Box # 18 Dehradun - 248001, India

