What could be more real life than a biology course? Mt. Hood Community College offers a complete biology textbook with an emphasis on genetics. Topics range from DNA replication to biotechnology and inheritance patterns.

Physical and biological factors affect everyday living. Scholars explore electromagnetic forces, motion, the rock cycle, and geological changes. They examine cells as the building blocks of life and how organisms reproduce using images...

Understand the difference between microevolution and macroevolution.

This is a very informative site on DNA mutations. There is estensive information and helpful diagrams.

Find out about mitochondrial and chloroplast DNA, and why its inheritance does not follow Mendelian patterns.

Six sonnets by the American Romantic era poet, including "Midsummer," "October," "November," "To an American Painter Departing for Europe," "Mutation," and "William Tell."

Find out about aneuploidy and nondisjunction, as they relate to down syndrome and other related disorders. Also learn about chromosomal rearrangements.

Discusses conditions needed for the Hardy-Weinberg Law to hold true and demonstrates calculations involving allelic frequencies to illustrate this principle.

These pages are part of a site called "Evolution," that accompanies a textbook by the same name. Mark Ridley is the author, and in this section he discusses the evidence for evolution.

Learn about virus evolution and genetic variation in viruses.

Find out about the chromosomal basis of sex determination, X and Y chromosomes, and X-linkage.

Homeotic genes control development of whole body segments or structures. When they are overactive or missing, weird things can happen!