Test Your Knowledge on Limb Development in Vertebrates!
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Questions and Answers

What is the process by which the bones of the limb are formed?

  • Osteoblast differentiation
  • Extracellular matrix formation
  • Endochondral ossification (correct)
  • Chondrogenesis
  • What is the role of Fgf8 signaling in limb development?

  • It controls skeletogenesis
  • It antagonizes flank-derived genes (correct)
  • It promotes limb bud outgrowth
  • It activates Hox genes
  • What is the significance of the Hox genes in limb evolution?

  • They control skeletogenesis
  • They promote limb bud outgrowth
  • They activate Wnt signaling
  • They influence the evolution of fins to fingers (correct)
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