diff --git a/src/genetic_algorithm.py b/src/genetic_algorithm.py
index 91d9136..50d4306 100644
--- a/src/genetic_algorithm.py
+++ b/src/genetic_algorithm.py
@@ -146,13 +146,18 @@ def group_parents(parents):
     return parent_pairs
 
 
-def crossover(mode, parents, m):
+def crossover(mode, parents, m, probability=0.7):
     parent_groups = group_parents(parents)
     offspring = []
     if mode == "uniform":
-        for element in parent_groups:
+        expected_crossovers = int(len(parents) * probability)
+        cutoff = expected_crossovers // 2
+        for element in parent_groups[:cutoff]:
             offspring.append(uniform_crossover(element, m))
             offspring.append(uniform_crossover(element, m))
+        for element in parent_groups[cutoff:]:
+            offspring.append(element[0])
+            offspring.append(element[1])
     else:
         for element in parent_groups:
             first_offspring, second_offspring = position_crossover(element)