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.
Ancient India. South Asia Geography. South Asia is one of the four early places where human civilization beganâsimilar to Egypt (Nile), China (Yellow), and Iraq (Tigris and Euphrates). Civilization in South Asia began along the Indus River. The land of South Asia is dominated by three main types of physical features. Mountains, rivers, and the massive triangular-shaped peninsula of India.