What is an antigen? Antigen refers to any foreign substance which on entering the body  stimulates the production of antibodies in the body of the  individual as a part of the immune response.
Gen Z Defined. Gen Z consumers range from ages 2 to 19, though the target range for marketers lies from ages 11 to 16. Gen Z is the most diverse and multicultural of any generation in the U.S. -- 55% are Caucasian, 24% are Hispanic, 14% are African-American and 4% are Asian. Gen Z Beliefs.
The Next Generation, the Net Generation, aka, Gen Z. Those born between the early 1990s and the early 2000s have a common name and common thread, the Internet. Generation Z also known as Generation Net have become the most recent generation. The earliest birth year for a Gen Z is commonly agreed at 1991.