[Solved] Duffy factor is due to a chemical that occurs on the membranes of red blood cells and is sometimes used as a blood-typing attribute in the same way that ABO and Rh factor blood types are used. Recent research has found that people with Duffy factor are about 40% less likely to be infected with HIV, given similar circumstances. Given that HIV affects white blood cells, how would you characterize the Duffy factor gene, and why? Two-Way Analysis of Variance: A statistical method used to examine the impact of two independent categorical variables on a continuous dependent variable, while also considering interactions between the variables. Main Effects: The direct impact of an independent variable on a dependent variable in an experiment, ignoring the effects of other variables. Erotic Movies: Films with content designed to sexually arouse the audience, often focusing on sexual desires and fantasies. Non-Erotic Movies: Films that do not contain sexually explicit content.