Figure 4From: Genetic mapping of centromeres in the nine Citrus clementina chromosomes using half-tetrad analysis and recombination patterns in unreduced and haploid gametes Variation in recombination rates along chromosomes I and IX of clementine. The x-axis displays the physical position in megabases (Mb) along each chromosome, and the y-axis represents the ratio of genetic distance to physical distance (cM/Mb). The bars beneath the x-axis indicate the approximate locations of the centromeres (CI). *These data have been calculated from up and down intervals (no marker on the genetic map on the considered genomic segment).Back to article page