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Chapter 8 - DNA: The Molecule of Heredity Cytogenics Gallery - Actual pictures of the structures of normal and defective human chromosomes are shown, and great hyperlinked definitions of terms such as chromosome are given. Human
Genome - The known locations and
functions of many human genes are summarized at this site. Click on a chromosome
and then on a region to see what genes have been mapped to that position on the
chromosome. You’ll find that we do not yet know the functions of many of the
genes that have been mapped! Chromosome Web Sites - Links are available here that take you to sites around the world that are involved in mapping and sequencing the human genome. You can get specific information about a particular chromosome. DNA Structure Activity - You will need to follow the directions and download a (free) demo version of a program called PCMolecule if you use a PC or MacMolecule if you use a Mac. Then you can examine the structure of DNA in great detail. Follow the quiz to see if you can figure out where the sugars, the phosphates, and the bases are in the three-dimensional model. Build
a DNA Molecule - This interactive
site allows you to add bases to the DNA strand and rotate them to make base
pairs. DNA Replication - This more sophisticated animation demonstrates DNA replication. Macromedia Shockwave plug-in is required for viewing. Collaboration
of Proteins during Replication - This
diagram gives a good visual of how different enzymes are utilized during DNA
replication. Dynamics of DNA Enzymes - This site discusses some studies being conducted involving DNA enzymes. Return to NSCI-120 Chapter Overview Page Go to Linda K's Home Page Go to the Site Directory E-mail: astrok110@hotmail.com This site is COPPA compliant. See my Privacy
page for details. This page was last updated on: February 12, 2006
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