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Professor of Botany

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Region II
genotypes sex number
+ + + females 1000
sc s v males 314
+ + + males 280
+ s v males 150
sc + + males 156
sc + v males 46
+ s + males 30
sc s + males 10
+ + v males 14
        2000
genotypes sex number number  
+ + + females 1000 -- Ignore
sc v s males 314 594 Parental
+ + + males 280 Parental
+ v s males 150 306 RegionI
sc + + males 156 RegionI
sc v + males 46 76 RegionII
+ + s males 30 RegionII
sc + s males 10 24 Dble c/o
+ v + males 14 Dble c/o
          1000  

The percent recombination in region II is (76+ 24)x 100/1000 = 10% or 10 cm

thus v - s distance is 10 cm

 
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This web site is provided for instruction in Botany and Zoology 342 or Genetics 342

Text: Genetics: A conceptural ApproachBenjamin A Pierce

This is our friend Oliver the parrotlet, a true parrot, the smallest in the world.


 

 by Kenneth G. Wilson,
Professor of Botany
Miami University
wilsonkg@muohio.edu