A strain is defined as inbred when it has been mated brother x sister for 20 or more consecutive generations (F20). All offspring can be traced back to a single ancestral breeding pair in the 20th or subsequent generation. Such inbred strains are therefore isogenic (genetically identical).
Dictionaries - King James Dictionary - Sup. Sup. To dine; to make a meal. Behold, I stand at the door, and knock: if any man hear my voice, and open the door, I will come in to him, and will SUP with him, and he with me.
Freebase (0.00 / 0 votes) Rate this definition: Sop. A sop is a piece of bread or toast that is soaked in liquid food and then eaten. In medieval cuisine, sops were very common. Sops were served with wine, soup or broth, and then picked apart into smaller pieces to soak in the liquid.