Tooth in mammals develops from _______.
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endoderm
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ectodem
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mesoderm
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All of the above
B
Correct answer
Explanation
Teeth develop from the ectoderm layer (specifically neural crest cells of ectodermal origin) during embryonic development. The enamel organ comes from ectoderm. Endoderm forms internal organs, mesoderm forms muscles and connective tissue - neither gives rise to teeth.