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.
sop, sops(noun) piece of solid food for dipping in a liquid. sop(noun) a concession given to mollify or placate. the offer was a sop to my feelings. standing operating procedure, standard operating procedure, SOP, standard procedure(verb) a prescribed procedure to be followed routinely. rote memorization has been the educator's standard operating procedure for centuries. sop(verb) give a conciliatory gift or bribe to.