If the anterior-posterior axis of the spinal cord is disrupted, what can you conclude happened in development?
A) Sonic hedgehog signaling was blocked
B) Sonic hedgehog signaling was increased
C) Bone morphogenetic protein signaling was increased
D) Homeobox genes were dysfunctional
Correct Answer:
Verified
Q19: If a vertebrate embryo develops an enlarged
Q20: The developmental signal _ directs the development
Q21: Sonic hedgehog is secreted from the
A) neural
Q22: Bone morphogenetic protein is secreted from the
A)
Q23: An animal can be born with a
Q25: In the evolution of the human brain
Q26: Describe the possible reasons why embryonic structure
Q27: In insects, the early embryo consists of
Q28: Refer to the graph. Q29: What is the relationship between Hox genes
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