128 



INHERITANCE IN GUINEA-PIGS. 



TABLE 65. 



Cro 4- Ticked-bellied agoutis, known to be homozygous because of test (cross 3), or 

 parentage (cross 4), crossed together. 



Expectation: A'A' X A'A' = A'A' (all AgTb). 



TABLE 66. 



Cross 6. Homozygous ticked-bellied agouti (A'A') crossed with heterozygous ticked-bellied 

 agouti (A'a) or with non-agouti (aa). 



Expectation: All AgTb (A'A' or A'a). 



