This is a second part about gene linkage:
www.mun.ca/biology/dinnes/B2250/exercise7.pdf
Some solved problems can be found in the slideshow: http://ocw.mit.edu/courses/biology/7-01sc-fundamentals-of-biology-fall-2011/genetics/linkage-and-recombination-genetic-maps/MIT7_01SCF11_3.2sol1.pdf.
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Genetic engineering vector created by pch.vector – www.freepik.com