How did scientists determine the cause of illness before technology? Science scholars play the role of medical researcher in an engaging guided inquiry activity. Using observations, technical reading, and Punnett squares, learners...

Sickle cell disease is an inherited blood disorder. Learn what it is and how it is passed on, what sickle cell crisis is and its cause, the signs and symptoms of sickle cell disease, how it is treated, tips for traveling if you have it,...

Technical description of inherited thrombocytopenia, including clinical features and its genetic mapping location.

Bassett (Basset) was born in Cecil County, MD., in April 1745. After his tavern-keeper father deserted his mother, he was reared by a relative, Peter Lawson, from whom he later inherited Bohemia Manor (MD.) estate. He read for the law at...

Provides a comparison of germline and somatic mutations based on cause, heredity, how they are inherited, the effects they have, when they occur, the extent of the occurrence, and how they are detected. Describes examples of both types...

This site from Palomar College provides a good background on exactly what Mendel did. Vocabulary links throughout make this a very good introduction article for genetics.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author. Here he discusses theories for species change that were before Darwin published "On the Origin of Species."

In this entry from Morey's 1901 textbook the decline of the Roman Empire is presented. The Severi emperors ranged from bad to worse, with the exception of Alexander Severus.

This site provides extensive information about the relationship of genetics to cancer.

At this website, learn alternate names for maple syrup urine disease (MSUD) and various findings about the disease from several medical studies. At the bottom of the page, click on the "PubMedID" associated with each reference to read an...