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).
History of Polka Dots. Polka dot is a pattern consisting of an array of filled circles, generally equally sized and spaced relatively closely in relation to their diameters. Polka dots are most commonly seen on children's clothing, toys, and furniture, but they appear in a wide array of contexts.