Use your imagination for this part. You can read the scenario to the students or have them read it themselves. They may need a copy to refer to. Students will need a good genetics textbook to find information on the real genetic disorders listed at the end of the activity. Nexa Read the following scenario.
Nobody knows for sure who exactly caused the Great War.
It could have been terrorists from a third world country. It could have been an upset general, a disgruntled employee or a computer glitch. It doesn't matter because the result was the same. The Great War was a world wide, devastating, nuclear war. Most of human civilization ended at the beginning of the third millennia.