Heterogenetic antigen An antigen which is possessed by a variety of different phylogenetically unrelated species; e.g., the various organ-or tissue-specific antigens, the alpha-and beta-crystalline protein of the lens of the eye, and forssman antigen. Synonym: heterophil antigen...
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..
