Show WHY V Black Sheep Sometimes Appear Among White Flocks Th The l 1 e eIf of If black lt In Ina Ina Inn a n flock lIck made up ull entirely of ot white sheep tins has been for ff ages and is still stilla a n cause ause for fur wonder and nd the s of superstition superstition- But Hut the the study of or the laws las s of r breeding tind heredity has bus ex ea explained x- x the tIle reasons fort for of the sporadic otile appearance of these off color sl specimens cI- cI mens according to to ton a n a bulletin of the United d States Stales Department of or Agriculture AgrI Agil- culture Feeding Fe ln and inn management n of sheep have ha nothing to do da with the appearance appearance appear appear- arice ance ance of of black lambs II The black color Is hel hereditary even en though It Jt mu may maybe b be transmitted b by ordinary white sheep The black color In such a a 1 case e eIg Is Ig what is called a n recessive diameter White sheep h transmit mIt this character char acter at nt till all transmit black In U 50 0 percent percent per percent cent of their reproductive culls cells ell and nd white In the tile remaining 50 GO per pep cent Thus such 5 while sheep mated with blacks which blacks which can an only transmit cent black black produce black produce 00 CiO per lambs and 50 30 per ler percent cent ent white All JI of these white lambs can transmit black White sheep which transmit only whites mated with whit blacks produce only white whit lambs Iambs but all of these Iambs lambs can transmit black hInck When both ewe and ram are arc white but both oth transmit black hInck about 25 per cent of If the lambs Iambs art are black f 50 O per cent Int are arc white which transmit black while the remaining 25 5 per tent are ure true breedIng breedIng breed breed- Ing whites n. n |