Egg Yoke Zygon Zygote Pair Couple Coupling Matrimony

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~ AZYGOS  from gr LACK of ZYGON or
          NO YOKE or UNYOKED
  ANY NON PAIRED or
  MISSING OF ONE MEMBER OF A PAIR
  med> TWINS CAN BE MONO or DI ZYGOUS or ZYGOTIC
       or DERIVED FROM ONE or MORE EGGS
  MONOZYGOTIC TWIN BY IMPLICATION ARE "IDENTICAL"
  biol> THE AZYGOS VEIN IS NOT PAIRED
        RELATED TO THE ASYMMETRY OF THE CARDIAC DEVELOPMENT
  note  extension toward EGG  ZYGOTE   MONOZYGOTIC TWIN and
        YOKE  PAIR  COUPLE  COPULATION  MATRIMONY