Recognize Relatives
major histocompatibility complex (MHC). This is a super variable gene cluster that produces unique proteins that form a signature for an individual.
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invaders—“ self” and “nonself”—and attacks the latter. All your cells carry your unique MHC-derived protein, and surveillance immune cells attack any cell lacking this protein password. And MHC-derived proteins also wind up in pheromones, producing a distinctive olfactory signature.
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pregnancy triggers neurogenesis in the olfactory system. Why there? So that olfactory recognition is in top form when it’s time to recognize your newborn;
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see also
Tags: neurobiology science
Superlink: 051 ☣Neurobiology 050 🧠Neuroscience
Quellen
Chapter 10 The Evolution of Behavior
Erstellt: 30-05-22 20:50