In the context of the movie "Basic Instinct," the term "basic instinct" refers to the primal, often darker urges and desires that drive human behavior, particularly in relation to sexuality and violence. The film explores themes of obsession, manipulation, and the complexities of human nature through its characters, especially the enigmatic Catherine Tramell. Her character embodies the idea that beneath the surface of civilization lies a raw, instinctual drive that can lead to both passion and peril.

The controversial scene in "Basic Instinct" involves a famous interrogation sequence featuring Sharon Stone's character, Catherine Tramell. During this scene, she crosses and uncrosses her legs while not wearing underwear, revealing her genitalia. This moment sparked significant debate over its sexual explicitness and portrayal of women. Critics and audiences discussed issues of sexuality, power dynamics, and the representation of female characters in film. The scene has since become iconic, symbolizing the film's provocative nature.

Sharon Stone did not lose custody of her child specifically because of her role in "Basic Instinct." However, during her custody battle in the early 2000s, her ex-husband cited her film career and the provocative nature of her role in "Basic Instinct" as concerns regarding her parenting. The court ultimately ruled in favor of her ex-husband for custody, but the decision was influenced by various factors and not solely by her performance in the film. Stone has since discussed the challenges she faced in her custody battle.

Yes, "Basic Instinct" is rated NC-17 in the United States, which means it is intended for adults only and may not be suitable for viewers under 17 due to its explicit sexual content and strong violence. In other regions, it may be classified as an 18. The film, directed by Paul Verhoeven and released in 1992, features a controversial portrayal of sexuality and crime, contributing to its adult rating.