Which of the following is the result of gastrulation?
A) A hollow ball of cells
B) The formation of organs
C) A zygote
D) A three-layered embryo
E) A blastula
Correct Answer:
Verified
Q15: Human embryos differ from bird embryos in
Q16: One characteristic of animal development is the
Q17: During the embryonic stage, a hollow ball
Q18: When a researcher transplanted the nucleus of
Q19: _is the developmental event that results in
Q21: After induction occurs, the
A) fate of each
Q22: The proteins that bind to the DNA
Q23: Induction refers to
A) the migration of cells
Q24: What will occur if a morula divides
Q25: In the 1920s, two German embryologists, Hans
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