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Wed Jan 10 11:46:00 EST 1996

Hallo everybody

We are pupils of an a-level biologie course in Hamburg - Germany of the  
12th grade and we are looking for some competent help

In our experiments in the crossing of Drosophila melanogaster we had some  
strange results. We used "+" and "cnbw" cultures. The flies developed five  
different eye colours: white, light red ( cn ), red ( + ), dark red ( ? )  
and brown ( bw ). The crossing relation is (w : cn : + : ? : bw)  
Our problem is, that we can't explain how and why the dark red eye colour  
was developed, which is darker than the eye colour of the wild (+)  
culture. The dark red colour also was more frequent than the other eye  
colours. Why ?
We would be very grateful if you can help us in our hopeless situation.

Thomas, Christian, Frederik, Bartosch, René, Michael

posting please to our teacher
Hartwig Stobbe
H.Stobbe at UMWELT.ecolink.org
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