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Forensic Identification: An Application of DNA Technology
A WebQuest for High School Biology
SOL Bio.6i
By Mrs. Fasano
Introduction:
The Case of the Golden Goose
Mrs.
Flubberbottom, an eccentric billionaire, needs our help. Her prized pet goose,
"Fefe", has been stolen, and this is no ordinary goose. It has a very rare genetic
condition….a gene, inherited by its mother that allows it to lay golden eggs!
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| Fefe the Golden Goose |
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Mrs. Flubberbottom has hired a pet detective to investigate. The detective believes he may have found the golden goose, caged at a local
pet store run by the Salt family. Of course, Mr. and Mrs. Salt, and their daughter
Varuca Salt, deny that any of their geese can lay golden eggs. Unbeknownst to
the Salt family, the detective has collected a DNA sample from the suspect goose.
In addition, the culprit of this heinous crime has left behind some genetic evidence.
As the suspect fled from the scene with goose in hand, Mrs. Flubberbottom’s pet poodle, Spike, attacked and bit
the suspect, tearing a small piece of flesh from the suspect posterior. The wound,
bleeding profusely, caused a tiny drop of blood to be left behind.
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| Spike |
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Mrs. Flubberbottom has begged the FBI’s forensic
lab to help her analyze the DNA from the blood and skin samples, and to help her find her precious Fefe, but no amount of
golden eggs could convince the FBI to take the case. Mrs. Flubberbottom has paid
a laboratory to conduct a number of genetic tests on the samples from both the goose and the suspect. She has asked our class to help interpret the results of the test and provide expert testimony in a up-coming
court case. I have agreed to take the case.
See the Evidence
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