Fig. 1
From: Longevity defined as top 10% survivors and beyond is transmitted as a quantitative genetic trait

Conceptual pedigree of a 3 filial (F) generation family in the study. This figure represents a hypothetical family from the UPDB or LINKS covering 3 filial (F) generations. Circles represent women, squares represent men. Dark blue: index persons (F2), red: parents (F1), light blue: siblings of IP (F2), green: spouses of IP (F2), yellow: children of IP (F3). IP index person, Sib sibling, F filial