Homologous characters arise due to:
Common ancestry reflects key principle in quiz on molecular evolution pyqs solved -sec d, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Common ancestry aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Common ancestry fits helps integrate natural selection, environment.
Ref: Nei & Kumar, Molecular Evolution, Clocks and Purifying Selection.