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1. Explain in your own words how to determine the Minimum Number of Individuals (MNI) from a collection of bones. 2. Explain how a sample of assorted skeletal remains from a large number of people from an ancient population, as was found at Sima de los Huesos, can provide more […]

John has thalassemia major. Both of John’s parents have normal red blood cells. John also has a brother and a sister, but neither have been tested for the thalassemia trait. John’s wife, Linda, has normal red blood cells. Both of Linda’s parents have normal red blood cells. Linda’s maternal grandfather […]

The following table shows several bacterial strain lac operon genotypes (some are partial diploids). a) Fill in the blanks in the “lactose absent” and “lactose present” columns in this table. (+) means significant levels of active ß-galactosidase enzyme can be detected. (–) means no significant levels of active ß-galactosidase enzyme. […]

Recent scientific and public policy discussions have focused on some natural and man-made substances, external to the body, and whether or not these substances interact with the endocrine system. The topic of “endocrine disruptors” is being popularized in media reports and discussed at scientific conferences. Read the following article and […]