And Then There Were None (1974 film) And Then There Were None (1974 film) And Then There Were None (a.k.a. Ten Little Indians) is a 1974 film adaptation of Agatha Christie's best-selling 1939 mystery novel of the same name. The film was directed by Peter Collinson and produced by Harry Alan Towers. This was the second of three versions of Christie's novel to be adapted to the screen by producer Harry Alan Towers. Two film adaptations were previously released (a 1945 version by René Clair and the 1965 "Ten Little Indians"). An American made-for-television version was broadcast in 1959. Towers produced a third version in 1989. A
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.