126 



INHERITANCE IN GUINEA-PIGS. 



TABLE 64. 



Cross 3. Matings of ticked-bellied agouti from cross 2 or 12 (A'A', 2A'a) with non-agouti 

 (aa) made in order to test for the presence of homozygotes. 



Expectation: A'A' X aa = A'a (all AgTb) 



or A'a X aa = A'a + aa (1 AgTb : 1 Non-Ag). 



*Not certain that both parents were heterozygous (A'a) . 



