side effects
problems that occur when treatment adversley affects healthy cells. Common side effects of cancer treatment are fatigue, nausea, vomiting, decreased blood cell counts, hair loss, and mouth sores.
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly genetic variations, natural selection, genetic drift, genetic migration, and speciation...
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. However, there are organisms that have more than two sets of chromosomes. The condition is called polyploidy. Know more about this topic through this tutorial...
The blood sugar level is regulated by two hormones. The mechanism behind this type of negative feedback control is described in this tutorial. Failure to regulate blood sugar levels could lead to physiological disorders and diseases, such as diabetes. Read this tutorial to learn more...
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matter (adaptation). You'll also learn what a genetic bottleneck is, and how genetic bottlenecks affect conservation...