Answer:
Co-dominance inheritance
Phenotypic ration - All the offspring are spotted red and white - 100%
Step-by-step explanation:
Genotypes of parents
White guinea pig - CWCW
Red guinea pig - CRCR
The cross between the two
CWCW * CRCR will produce
CWCR, CWCR, CWCR, CWCR
It is a co-dominance inheritance
Phenotypic ration - All the offspring are spotted red and white - 100%