How Your Body Reacts If One Extra Chromosome Appeared Every Day Your body runs on precise genetic balance. Each cell normally contains 46 chromosomes, and proteins are produced in carefully regulated amounts. The moment an extra chromosome appears, gene dosage changes — hundreds of additional instructions begin being read at once. Cells don’t “notice” emotionally, but biologically they enter stress mode. At first the effects are subtle. The cell’s protein factories (ribosomes) work overtime tran

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