1 Down syndrome, usually is caused by an extra copy of chromosome 21 (trisomy 21). Characteristics include decreased muscle tone, asymmetrical skull, slanting eyes and mild to moderate mental retardation.  Edward's syndrome, which is the second most common trisomy after Down syndrome. It is a trisomy of chromosome 18.
Guanxi describes the basic dynamic in personalized networks of influence, and is a central idea in Chinese society.
Wildlife in China. The Giant Panda is China's most loved animal. China's natural world has been since ancient times a source of inspiration in the arts, literature, religion and mythology. Philosophers have preached the virtues of living in harmony with nature for centuries.lso known as the Chinese White Dolphin, is mainly found around the waters of Hong Kong and the Pearl River Delta. They are endangered and became the official mascot of Hong Kong's handover to China. Chinese Sturgeon. Also a national treasure and a living fossil.