Before They Were Stars Before They Were Stars Before They Were Stars was a 30-minute American television show which aired on ABC in 1996 and was hosted by Scott Baio, with John Cramer as announcer and narrator. The program originated as a series of specials which aired during 1994 and 1995; Joey Lawrence hosted the first two installments, with Karen Duffy taking the reins for the next two, and eventual series host Baio doing so for the fifth and final edition. All of the specials were an hour long, except the third, which was a half-hour. The term "Before They Were Stars" has since
Most recent common ancestor all of the modern population. Due to pedigree collapse, modern individuals may still exhibit clustering, due to vastly different contributions from each of ancestral population . Most recent common ancestor In biology and genealogy, the most recent common ancestor (MRCA, also last common ancestor (LCA), or concestor) of any set of organisms is the most recent individual from which all the organisms are directly descended. The term is also used in reference to the ancestry of groups of genes (haplotypes) rather than organisms. The MRCA of a set of individuals can sometimes be determined by referring to an established pedigree.