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August 30, 2014

Homework Help: Rob

Posted by Genetics on Tuesday, September 20, 2011 at 12:39pm.

1) A White eye (w) female Drosophila is crossed with diminutive (dm) males. The F1 wild type females are then crossed to the double mutant, white eye, diminutive males and produce the following:

white eye, normal size 487
normal eye, diminutive 475
normal eye, normal size 19
white eye, diminutive
12

Could you show me the crosses using the proper symbols?
What is the map distance between white and diminutive?

2) You have a line of Drosophila that has both yellow body and vermillion (v) eyes. Can you show the crosses, using the proper symbols to construct a line of flies that has only yellow bodies. I believe they are both X linked.
If you could help me with that would be great

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