When crossing a female Drosophila heterozygous for genes A and B with a recessive male, 8.2% of individuals with recombined characters were obtained, and when a female heterozygous for genes M and N was crossed with a recessive male – 10.4%. Determine by what percentage of crossing over is the distance between genes M and N greater than the distance between genes A and B?
The distance between genes M and N is greater than the distance between genes A and B by 2.2% crossing over: 10.4% 8.2% = 2.2%.
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