by Ciro Santilli (@cirosantilli, 32)
A gene that was inherited from the same ancestor in two different species, and which has maintained the same function in both species.
A gene that got duplicated withing the same species. The copies may diverge in function from the original.
Important example: hox genes.

Ancestors

  1. Comparative genomics
  2. Genetics
  3. DNA
  4. Molecular biology
  5. Level of organization of bodies
  6. Biology
  7. Natural science
  8. Science
  9. Index
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