User Login
Forgot your password? Click Here.
Playlist
What are playlists? Click Here.



The discovery of how genes are organized, how they reproduce, and how they affect the next generation of cells revolutionized the way we understand life. This program unravels the deoxyribonucleic acid molecule DNA, the helical two-stranded chain, and shows some of the results of genetic engineering. The program also raises some of the medical and ethical questions inherent in this new science. (23 minutes)



 
    

Item#: This title is currently not available.
Copyright date: ©1989




     


Only available in the US, the United Kingdom and South Africa.




Biotechnology
View Video Clip
This program describes three practical applications of DNA technology: the use of gene transfer to improve plant species, the use of molecular probes to quickly identify disease-causing organisms, and the development of antigen vaccines. The program ...(more details)
 
Evolution
View Video Clip
Since Charles Darwin formulated his theory of natural selection, our view of the world has changed. Although Darwin's theory itself has "evolved," scientists agree that living species slowly but surely diverged from common ancestors. This program beg...(more details)
 
Blood
View Video Clip
Blood is a fluid with amazing properties. In this program, we learn that blood acts virtually like an organ and fulfills a host of complex tasks within the organism, from oxygen transport to defending against infection. The crucial importance of bloo...(more details)
 


See additional titles in General Biology