Prior to 1970, molecular biology was severely limited by the inability of researchers to cut DNA molecules at specific sites. The breakthrough came with Hamilton Smith's discovery of a restriction ...

The Saint Louis University Biology Department offers courses with hands-on learning opportunities from cellular structures to fish, birds, reptiles and mammals. Content below is provided by SLU ...

Genetics is the study of how living things receive common traits from previous generations. These traits are described by the genetic information carried by a molecule called DNA. The instructions for ...

When James Morris started teaching biology at Harvard in 2000, he was dismayed by the textbooks that were available. Though there were exceptions, they tended to be dull, full of facts students were ...

THE increasing number of publications of recent years which deal with the subject of inheritance is testimony to the keen interest in the laws and principles of this science. Our knowledge of it ...