Multiple choice

Tooth in mammals develops from _______.

  1. endoderm

  2. ectodem

  3. mesoderm

  4. All of the above

Reveal answer Fill a bubble to check yourself
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.