21.   Telomerase derives its name from telomeres, which are long chains of DNA at the ends of chromosomes, like genetic bookends.

22.   The breed derives its name from a stream in northwestern Idaho, historians say.

23.   The cloth derives its name from the mud used to dye it.

24.   The cakes derive their name from the way they are formed.

25.   The colt, whose grandsire was the renowned Mr. Prospector, derives his name from his sire, Jade Hunter, and his dam, Halory.

26.   The name was derived from a misheard word for a type of field holler, the hoolie.

27.   The North Castle name was derived not from executives named North and Castle but from cross streets at a former address of the agency.

28.   The name is derived from a stream in Springfield, Ohio, that Gunn recalled from time he spent in Ohio in his childhood.

29.   The name is derived from the fact that the killings occurred near railroad tracks and authorities think the killer traveled the United States on trains.

30.   The name was derived from Cesar Ritz, the Swiss-born hotelier who made his name synonymous with quality and service.