Courtesy of the David Vance SAPP process.

Dave Vance Named FamilyTreeDNA General Manager
www.jdvsite.com - The SAPP algorithm
0---Node# 989: BY45899 (est.1450AD) Est. TMRCA: 14 generations or 392 years ago (1558 AD)
        1---B325365 Alexander McLean 1856-1938 Scotland: Map Big Y-700, 111 STRs FTDNA Known SNP: BY45899 Est. TMRCA: recent. Kit is courtesy of the FTDNA McLaine Project.
        1---633249 Simon Christopher 1811-1884 Ireland: Map Big Y-700, 111 STRs FTDNA Known SNP: BY45899 Est. TMRCA: recent. Kit is courtesy of the FTDNA M222 Project.

Note: Dates are measured from the epoch which is 1950 and age estimates vary by 15% to 20%. The few red colored ages (on the SNPs) and the green age at the top is Family Tree DNA's eatimate for the SNP itself. The green in-line ages are the SAPP estimate for the kits being analyzed (not the SNP).