Point_1
Locus_1
Point_2
Locus_2
Gene
Simple_distance
Min
Distance
Max
Error
Distance_units
Linkage
Trait_marker
QTL
Location
Chromosome
Chromosome_arm
Species
Female_Parent
Male_Parent
Parent
Population
Generation
Number_of_individuals
Method
Map_data
Linkage_data
Contact
Reference
URL
Remark
Data_source