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Grade 12th passZoology

knock knee disease is due to
  1. deficiency in tyrosine amino acid
  2. hormonal imbalance
  3. excess fluoride cocentration in water body
  4. genitical abnormality in males

Profile image of raghav
12 Years agoGrade 12th pass
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1 Answer

Profile image of Apoorva Arora
12 Years ago
knock knee disease is mainly due to excess fluoride cocentration in water body.
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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