Fig. 3: Recent GRC copy number variation and estimated GRC size.
From: Rapid gene content turnover on the germline-restricted chromosome in songbirds
a) The normalised coverage from each individual was used to estimate the copy number (y-axis) for the longest scaffolds (x-axis) from the two species’ GRC assemblies. Substantially more variation and higher copy numbers are observed in L. megarhynchos (left) than in L. luscinia (right). b) The original GRC assembly size (grey) and an estimated GRC size for each sequenced individual, taking into account the recent copy number variation on the GRC (blue), are compared to the GRC size estimates obtained from the meiotic spreads of 3 other individuals (the 10 individual measurements are shown as dark green dots with the average shown as the green bar). LM1, LM2, etc refer to the represented L. megarhynchos individual, while LL1, LL2, etc refer to the L. luscinia individual. The asterisk indicates an individual with a significantly different GRC size (One way ANOVA; p = 0.0002; df = 29; post hoc Tukey HSD test). Source data are provided as a Source Data file.
