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.
Noun. 1. chap-a boy or man; that chap is your host; there's a fellow at the door; he's a likable cuss; he's a good bloke. bloke, fella, fellow, lad, blighter, gent, feller, cuss. male person, male-a person who belongs to the sex that cannot have babies.