

INHERITANCE IN GUINEA-PIGS. 



himself from paicnti known to transmil pink-eye This indicates that 

 the character pink-eye in guinea-pigB (as in mice) may be transmitted 

 |,v ultiinos. The fart should be emphasized that the pink-eyed young 



Tab1 ) . , ... lueedbyred^yed descendants of &1008 matedivith 



albinos. [See also tabl 97.) 



Nature of red-eyed parent. 



Red-eyed 

 young. 



Silver 

 agouti. 



BQver agouti, hefc as fox albinism 21 



. heterosygoufl for albinism 



Silver agouti (homoiygouB for red-eye) 



,ua for red-eye) 



Total. 



is 



Sepia, 



11 

 31 

 11 

 20 



39 



73 



Albino 

 young. 



17 

 34 



51 



produced m this mating were also red-eyed, i. e., were non-yellow, for 



red-eyed animal- may carry pink-eye as a recessive character, and con- 



rsely pink-eyed may carry red-eye as a recessive character. How- 



,-. if these recessive characters crop out as recessive individuals 



from a mating of two like parents with each other, it can in either case 



:r only in the form of the double recessive, both pink- and red-eyed. 



Xai -• Young produced by pink-eyed descendants of <?1002, mated inter se. 



Pink-eyed animals (with yellow in their fur) have made their appear- 



produced by mating dark-eyed animals inter se. 



and 27.) In some cases red-eyed young have been 



produced by the Bame matings, or pink-and-red-eyed or albinos, for 



pin ma to be quite independent of the color factor in its inherit- 



eyed animals mated inter se have produced only pink-eyed, 



pink-and-red-eyed, and albino young. (See table 26.) Any of these 



three fora derived will doubtless be found to transmit pink-eye in 



Pink-and-red-eyed animals of whatever origin have been found to 



produce when mated with each other) only pink-and-red-eyed young 



albinos. Hut the record as regards albinos is doubtful. Two 



