Normal cell division is also the basis for asexual reproduction. Only one type of cell is involved, with no input from another individual. Because no new genetic material is introduced, there is no variation in the resulting offspring.
The Polka is a Central European dance and genre of dance music familiar throughout Europe and the Americas.It originated in the middle of the 19th century in Bohemia, now part of the Czech Republic.he polka also migrated to the Nordic countries where it is known by a variety of names in Denmark (galopp, hopsa), Estonia (polka), Finland (pariisipolkka, polkka), Iceland, Norway (galopp, hamborgar, hopsa/hopsar, parisarpolka, polka, polkett, skotsk) and Sweden (polka).
The polka culture in the United States is presented. Largely associated as being Polish in nature, the strong polka culture today is primarily an American phenomenon, it having largely died off in Central Europe except in rural areas. Polka festivals have sprung up across the country, getting longer and longer each successive year based on demand.