This means if my husband is L22+ and P109+, I CAN NOT assume he is Z63-, M227-, Z58- et al negative downstream? Or in the L22+ group, I CAN or CAN NOT assume he is L205-, L813-, L287- ? OK, let's try this flowchart. https://picasaweb.google.com/106643440573403924030/DNA2#5718328292299125570 Thank you, Connie Bradish