Which of these would most likely cause mutation

Which sequence represents a cross section of the bilayera hydrophilic head, hydrophobic tail, hydrophobic tail, hydrophilic headb hydrophobic tail, hydrophilic head, hydrophobic tail, hydrophilic headc hydrophobic head, hydrophilic tail. hydrophilic tail, hydrophobic headd hydrophilic tail, hydrophobic head, hydrophobic head, hydrophilic tail

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?