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.
Perhaps the two most important geographical features of Ancient China were the two major rivers that flowed through central China: the Yellow River to the north and the Yangtze River to the south.angtze River. The Yangtze River is south of the Yellow River and flows in the same direction (west to east). It is 3,988 miles long and is the third longest river in the world. Just like the Yellow River, the Yangtze played an important role in the development of the culture and civilization of Ancient China.