What is "mrca"

init. most recent common ancestor

MRCA may refer to:

• Member of the Royal College of Anaesthetists, post-nominal letters awarded on completion of the primary FRCA examination and 12 months specialist training. Usage is limited to those no longer in specialist training
• Most recent common ancestor, a term referring to the most recent ancestor any set of organisms are directly descended from
• Multirole combat aircraft, the concept of an aircraft that can be used for more than one combat role; particularly:
  • The NATO Multi-Role Combat Aircraft – the project that became the Panavia Tornado
  • Indian MRCA competition, an ongoing competition to supply the Indian Air Force with 126 multirole combat aircraft