Answer:
Only one of the available answers here apply and that would be C. Hepatitis C virus.
Of or relating to cognition; concerned with the act or process of knowing, perceiving, etc.
of or relating to the mental processes of perception, memory, judgment, and reasoning, as contrasted with emotional and volitional processes.
If Morgan crossed XrXr and XrY, a white-eyed female and a white flied male, it will produce 2 XrXr(white-eyed female fly) and 2 XrY(white-eyed male fly).