1 files changed, 6 insertions, 3 deletions
diff --git a/gn3/computations/qtlreaper.py b/gn3/computations/qtlreaper.py
index 02d6572..5180853 100644
--- a/gn3/computations/qtlreaper.py
+++ b/gn3/computations/qtlreaper.py
@@ -110,12 +110,15 @@ def organise_reaper_main_results(parsed_results):
         unique_chromosomes = {item["Chr"] for item in id_items}
         return {
             "ID": identifier,
-            "chromosomes": [
+            "chromosomes": {_chr["Chr"]: _chr for _chr in [
                 __organise_by_chromosome(chromo, id_items)
-                for chromo in sorted(unique_chromosomes)]}
+                for chromo in sorted(
+                        unique_chromosomes, key=chromosome_sorter_key_fn)]}}
 
     unique_ids = {res["ID"] for res in parsed_results}
-    return [__organise_by_id(_id, parsed_results) for _id in sorted(unique_ids)]
+    return {
+        trait["ID"]: trait for trait in
+        [__organise_by_id(_id, parsed_results) for _id in sorted(unique_ids)]}
 
 def parse_reaper_main_results(results_file):
     """