homologous

/həˈmɑləɡəs/
adjective
  1. Having the same relative position, structure, or origin; corresponding in some way.
    • In mathematics, homologous sides of similar triangles are proportional.
    • The two companies have homologous organizational charts, with nearly identical departments.
    • The wing of a bird and the arm of a human are homologous structures.
  2. In genetics, describing chromosomes or genes that are similar in structure and function, typically one inherited from each parent.
    • The gene for eye color is found on homologous chromosomes.
    • Scientists study homologous sequences to trace evolutionary relationships.
    • Homologous chromosomes pair up during meiosis.
What does "homologous" mean? | whatsthatwordmean | whatsthatwordmean