... 1998,16:329-39.7. Yeramian E: Genes and the physics of the DNA double-helix. Gene 2000, 255:139-150.8. Yeramian E: The physics of DNA and the annotation of the Plasmodium falciparum genome. Gene 2000, 255:151-168.9. ... minimum a has two edges away from the rootthat connect to two ancestors. The highest peak of the twoancestors is the father πa and the other is the mother μa,i.e., they are distinguished by ph(πa) ... b), or(a, μb). Two of these are defined as ancestors:Definition 4. The father of a nonbottom frame (a, b) is The mother of a nonbottom frame (a, b) isFathers and mothers of bottom frames do...