Qtl mapping resembles linkage analysis primarily because
a. the distances are reported in cm.
b. it uses statistics to analyze its data.
c. it uses the location of a known dna marker.
d. the results are quantifiable.
e. it uses the three-point mapping method.

In a cross between individuals of a species of tropical fish, all of the male offspring have long tail fins, and none of the females possess the trait. mating two of the f1 fish fails to produce females with the trait. explain the inheritance pattern of the trait.