1. What happens when you step on a nail?
2. What happens when you breathe in a virus?
3. If female vampires are venomous, male vampires are venomous, and Nahuel (a Male hybrid vampire) is venomous, why are all known female vampire hybrids not venomous? Is being venomous a sex-linked trait or a coincidence based on other chromosomes? Why?
4. Draw the chart of Ab titer vs time showing primary and secondary infection.