Students make hypotheses for monohybrid, dihybrid and sex-linked traits and test their hypotheses by selecting fruit flies with different visible mutations, mating them, and analyzing the phenotypic ratios of the offspring.Students learn how to collect, record, and organize their data.In this inquiry-based exploration students are asked to discover the nature of the mutation in a yeast strain by designing and carrying out their own experiments.Students are provided with a conundrum: the same mutant yeast strain can grow on one type of media plate but not another.You must use a browser with Java and it must be Java enabled.Virtual Dating works best with Netscape Communicator 4 or Microsoft Internet Explorer 4 with Java Script enabled.(After you complete Virtual Earthquake, check out the Geology Labs On-Line home page for the latest information about project activities.
100 million years) are determined from the Isochron method applied to Rb/Sr isotopic compositions.
The instrument recording the seismic waves is called a seismograph and the recording is a seismogram.
The point of origin of an earthquake is called its focus and the point on the earth's surface directly above the focus is the epicenter.
It has been successfully run on Windows 95 using Netscape Communicator with 16MB, and on Mac OS with 32MB with the above listed browsers.
If you are running Netscape on the Mac, you will have more success with Virtual Dating if you increase the Suggested Memory Size to 15000K or more.
This exercise demonstrates the biological phenomenon of the formation of a precipitate when an antigen reacts with an antibody.