Use this field to specify the variable that contains the names of the genetic markers in the Input Linkage Map SAS Data Set specified on the Linkage Map 2 tab. These names are merged to match with those in the Marker Name Variable 1 of the Linkage Map 1 tab.Important: The Marker Name Variable 2 and Marker Name Variable 1 must be of the same variable type (either both character or both numeric).All of the variables in the specified input data set are displayed in the Available Variables field.
Click to add the highlighted variable to the Marker Name Variable 2 field, as shown below: