For linked genes A, B, and C, the map distance A–B is 5 map units and the map distance B–C is 25 map units. If there are 10 double crossover events out of 1000 offspring, what is the interference?

0 votes
A 0.01 B 0.8 C 0.0125 D 0.2
asked Feb 16, 2013 in Genetics by basketball (37 points)
    

1 Answer

+1 vote
0.2

The coefficient of coincidence is 0.01/0.0125 = 0.8, so the interference is 1 – 0.8 = 0.2.

10/1000 = 0.01

5*25 = 125/1000 = 0.0125
answered Mar 5, 2013 by anonymous

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