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Ancient Lake non-isolated pothole River where pupfish can swim from pothole to pothole. isolated potholes Hypothesis is that there was an ancient lake.

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Presentation on theme: "Ancient Lake non-isolated pothole River where pupfish can swim from pothole to pothole. isolated potholes Hypothesis is that there was an ancient lake."— Presentation transcript:

1 Ancient Lake non-isolated pothole River where pupfish can swim from pothole to pothole. isolated potholes Hypothesis is that there was an ancient lake filling a basin. Current Lake The lake dried up leaving potholes where pupfish live now. Isolated potholes do not connect and non isolated potholes are connected by rivers.

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3 PCR Polymerase Chain Reaction

4 Allows us to amplify a particular segment of DNA- over and over. Forensics- amplify tiny amount until large enough to use.

5 Ingrediants Template DNA Taq Polymerase Primers dNTPs Buffer Magnesium Ions

6 http://www.youtube.com/watch?v=2KoLnIwoZKU

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