diff --git a/evolver.amlg b/evolver.amlg
index 482165a..aff84ff 100644
--- a/evolver.amlg
+++ b/evolver.amlg
@@ -365,7 +365,18 @@
 					(assign (assoc id (first (create_entities id diploid_react_base_template)) ))
 
 					;perform mixing
-					(mix_entities (list diploid "ploid1") (list diploid "ploid2") 0.5 0.5 0.95 (null) 0 (list id "ploid1_temp"))
+					(mix_entities (list diploid "ploid1") (list diploid "ploid2")
+						0.5 0.5
+						{
+							types_must_match .false 
+							nominal_numbers .false
+							nominal_strings .false
+							recursive_matching .true
+							similar_mix_chance 0.95
+							unnamed_entity_mix_chance 0
+						}
+						(list id "ploid1_temp")
+					)
 					(clone_entities haploid (list id "ploid2_temp"))
 
 					;mutate
@@ -379,7 +390,18 @@
 
 				;haploid
 				;use haplodiploidy mechanism to make a haploid (male) from diploid (female)
-				(let (assoc temp_id (mix_entities (list diploid "ploid1") (list diploid "ploid2") 0.5 0.5 0.95))
+				(let (assoc temp_id
+						(mix_entities (list diploid "ploid1") (list diploid "ploid2")
+							0.5 0.5
+							{
+								types_must_match .false 
+								nominal_numbers .false
+								nominal_strings .false
+								recursive_matching .true
+								similar_mix_chance 0.95
+							}
+						)
+					)
 					(mutate_entity temp_id mutation_rate id mutation_operator_weights mutation_type_weights)
 					(destroy_entities temp_id)
 					id
@@ -401,7 +423,18 @@
 
 			(if
 				(= (call determine_sex (assoc id id1)) (call determine_sex (assoc id id2)))
-				(mix_entities id1 id2 0.5 0.5 0.5 (null) 0.2 merged_id)
+				(mix_entities
+					id1 id2 0.5 0.5
+					{
+						types_must_match .false 
+						nominal_numbers .false
+						nominal_strings .false
+						recursive_matching .true
+						similar_mix_chance 0.5
+						unnamed_entity_mix_chance 0.2
+					}
+					merged_id
+				)
 
 				;if different, then can't merge
 				(null)