diff --git a/rust-pvz-genetics/src/genetics/mod.rs b/rust-pvz-genetics/src/genetics/mod.rs
new file mode 100644
index 0000000..13f71f5
--- /dev/null
+++ b/rust-pvz-genetics/src/genetics/mod.rs
@@ -0,0 +1,21 @@
+use std::collections::HashMap;
+
+#[derive(Clone,Copy,PartialEq,Eq)]
+pub struct GeneID;
+
+pub trait Gene {}
+
+#[derive(Default)]
+pub struct PlantGenome {
+    pub edges: HashMap<GeneID,Vec<GeneID>>,
+    pub vertices: HashMap<GeneID,Box<dyn Gene>>
+}
+
+impl PlantGenome {
+    pub fn new() -> Self {
+        Self {
+            edges: HashMap::new(),
+            vertices: HashMap::new()
+        }
+    }
+}
diff --git a/rust-pvz-genetics/src/lib.rs b/rust-pvz-genetics/src/lib.rs
index e69de29..8bf847c 100644
--- a/rust-pvz-genetics/src/lib.rs
+++ b/rust-pvz-genetics/src/lib.rs
@@ -0,0 +1 @@
+pub mod genetics;