You have three groups of guinea pigs, ones from inbred strain A, ones from inbred strain B and guinea pigs that are the F1 progeny of matings between A and B guinea pigs. All guinea pigs are infected with a newly-evolved version of LCM virus. TC cells from an F1 hybrid guinea pig could attack infected cells from .

a

explanation:

an organism's phenotype is the  form of a trait  that it  displays. for  flowercolor, a pea  plant  can  display  a phenotype of purple or white flowers. an organism's  genotype  is the alleles of a gene it contains. based on his data, mendel concluded that a phenotype can be  determined  by more than one  genotype.

what are the options

the answer is d. none of the above