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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 concentration in water body
  4. genetical abnormility 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 caused by excess fluoride concentration in water.
Thanks and Regards
Apoorva Arora
IIT Roorkee
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