It's Me or the Dog sometimes implements a technique as soon as she sees a behavior rather than waiting until after the Confrontation. There have been three US seasons and four UK series of "It's Me or the Dog" so far, the first running for six episodes from 31 August 2005, and earning record ratings for Channel 4. The second series aired from January – March 2006, running for twelve episodes. The third series transmitted from October to November 2006, and was eight episodes long, which included two-hour long specials wrapped at each end; "It's Me or the Dog – The Event" and "It's Me
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.