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Fig. 1 | BMC Biology

Fig. 1

From: XY sex determination in a cnidarian

Fig. 1

Hydractinia colonies and linkage maps. A An immature Hydractinia colony. Arrowheads indicate gastrozooids. Scale bar ≈ 1 mm. B Female gonozooid with mature gonophores (brackets) and eggs (arrowheads). Asterisks indicate immature gonophores. Scale bar = 200 μm. C Male gonozooids with mature (arrowheads) and immature (asterisks) gonozooids. Arrow indicates nearly mature gonophore. Scale bar = 200 μm. D Maternal linkage map. E Paternal linkage map. F Comparison of markers at equivalent physical locations in maternal and paternal maps. Lines connect markers located within 5 kb of each other in the reference genome. G Comparison of gap sizes in maternal and paternal linkage maps. Gap sizes from equivalent markers are connected by lines. H Example of how markers in the linkage map are bins of multiple variants. This example shows four markers from maternal linkage group 1. The marker at 75.9 cM represents 13 variants from one contig. The marker at 81.5 cM represents 423 variants from five contigs. I Representation of the Hydractinia genome assembly in the maternal and paternal linkage maps. Results are shown as a percent of the total number of contigs, base pairs (bp), or annotated genes

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