diff --git a/src/initialization/chromosome_structure/__init__.py b/src/initialization/chromosome_structure/__init__.py
new file mode 100644
index 0000000..d7309f8
--- /dev/null
+++ b/src/initialization/chromosome_structure/__init__.py
@@ -0,0 +1 @@
+import .chromosome
\ No newline at end of file
diff --git a/src/initialization/gene_structure/__init__.py b/src/initialization/gene_structure/__init__.py
new file mode 100644
index 0000000..c61b01a
--- /dev/null
+++ b/src/initialization/gene_structure/__init__.py
@@ -0,0 +1 @@
+import .gene.py
\ No newline at end of file
diff --git a/src/initialization/population_structure/__init__.py b/src/initialization/population_structure/__init__.py
new file mode 100644
index 0000000..0a957f1
--- /dev/null
+++ b/src/initialization/population_structure/__init__.py
@@ -0,0 +1 @@
+import .population
\ No newline at end of file