Simplify the following text for a Grade 14 native English-speaking person.
Original: A linkage map is created by finding the map distances between a number of traits that are present on the same chromosome , ideally avoiding having significant gaps between traits to avoid the inaccuracies that will occur due to the possibility of multiple recombination events .
Simplified: A linkage map is created by finding the map distances between a number of traits that are present on the same chromosome , ideally avoiding significant gaps between traits to avoid the possibility of multiple crossovers .