A chromosome that fails to pair with another during the prophase stage of meiosis, and therefore does not exchange genetic information via crossing over. This situation usually occurs in polyploids with an odd chromosome compliment, such as triploids...
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
Organisms employ different strategies to boost its defenses against antigens. Humans have an immune system to combat pat..
