This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexual offences and infanticide, Subject name: Forensic Medicine
Sexual intercourse between two persons of blood relations called 
Select and explain. 
A. Sexting, B. Incest, C. Indecent assault, D. Paraphilia
B: Incest
Answer: B: Incest 
Explanation: Incest sexual intercourse by a man with a woman who is closely related to him by blood,eg daughter, grand-daughter, sister, aunt,cousin,etc Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 313