Fig. 4From: Genetic markers associated with bone composition in Rhode Island Red laying hensManhattan plot (left), showing the –log10(p-value) for each SNP, and QQ plot (right), showing the observed − log10(p-value) plotted against the expected − log10(p-value), for tibial cortical crystal orientation and breaking strength. The red line is the significance threshold of 1.38 × 10–6, and the blue is a suggestive threshold of 10–5Back to article page