molecular clock


noun

the changes in the amino acid sequences of proteins that take place during evolution and speciation, and from which the dates of branchings of taxonomic groups can be deduced.

Nearby words

  1. molech,
  2. molecular,
  3. molecular astronomy,
  4. molecular beam,
  5. molecular biology,
  6. molecular cloud,
  7. molecular disease,
  8. molecular distillation,
  9. molecular film,
  10. molecular formula

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019