The birth defect spina bifida results in part of the spinal cord lying outside of the body. This defect is due to abnormal development of the
A) placenta.
B) neural tube.
C) gill grooves.
D) allantois.
E) embryonic disk.
Correct Answer:
Verified
Q26: What will occur if a morula divides
Q27: Based on experiments with amphibian embryos, Spemann
Q28: In humans, implantation occurs
A) when the embryo
Q29: Induction refers to
A) the formation of the
Q30: Cells differentiate during development because
A) genes respond
Q32: The umbilical cord of a mammal connects
Q33: In humans, fertilization occurs in the
A) testes.
B)
Q34: The proteins that bind to the DNA
Q35: What makes the cells of a developing
Q36: The structure produced by cleavage of a
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