How are certain behaviors genetic in nature? my sister’s baby daughter bangs her head back and forth in the exact way my sister did when she was a baby. It can’t be a learned trait, but it’s a running joke in the family that she’s clearly her daughter. Is this genetic?
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Even if the behavior itself is not taught you may be treating the daughter the same way your sister was treated. Mix that in with an already existing genetic predisposition and you have a combo for generational habits.
Also the behavior itself is not necessarily directly genetically linked, it may just feel good with that specific head shape/neck shape to perform that action. Thus you may have a mix of neurological, physical, and environmental factors affecting the genetic expression.
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