Question

multiple choice question
an individuals baseline odor, unique to only them, is known as their:
o subliminal descriptor scent
o individual identifier compound
o major histocompatibility complex
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Explanation:

The major histocompatibility complex (MHC) is responsible for an individual's unique baseline odor. MHC - related odors play a role in individual recognition and mate - choice in many species. There is no such thing as a subliminal descriptor scent in this context. An individual identifier compound is not a standard term for this concept. The major histocompatibility complex is well - studied in relation to individual odor profiles.

Answer:

major histocompatibility complex