1 28 



INHERITANCE IN GUINEA-PIGS. 



Table 65. 



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



parentage (cross 4), crossed together. 



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). 



