The way in which traits are passed from one generation to the next-and sometimes skip generations-was first explained by Gregor Mendel. By experimenting with pea plant breeding, Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.
1. Steppe. Much of the region of Central Asia is covered by a semi-arid, treeless, mostly flat land known as the Steppe or Steppes. Part is in Europe by the Ukraine, but most is in Asia extending to eastern Mongolia. 1  Steppe Tribes.
North of the central plain, along the border between Thailand and Cambodia, are the DÃ¢ngrÃªk Mountains, a chain of relatively low mountains, they form the southern edge of the Khorat Plateau of Isan, the north east region of Thailand.