You identify an rflp in mice by digesting genomic dna with hindiii enzyme and radiolabeling a piece of probe dna. southern blot analysis shows that the probe detects a 2-kb fragment in one strain of mice and a 4-kb fragment in another strain of mice. the two mice strains are crossed to produce an f1 generation. two f1siblings are mated to produce a dozen f2 progeny. you isolate genomic dna from several f1 and f2 individuals, digest with hindiii, and perform a southern blot with the same probe. how many bands would be seen in the southern blot of an f1 individual? a. twob. fourc. one or twod. onee. three