What will occur if a morula divides into three masses of cells?
A) Normal identical triplets will be born.
B) The resulting embryos will develop, but they may be missing some organs based on which germ layers were transferred with each section.
C) The resulting embryos will die.
D) Three distinctly different embryos will develop, depending on which homeoboxes went with which mass of cells.
E) The resulting embryos will develop severe birth defects due to missing genes.
Correct Answer:
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Q19: _is the developmental event that results in
Q20: Which of the following is the result
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
Q25: In the 1920s, two German embryologists, Hans
Q26: The umbilical cord of a mammal connects
Q27: In humans, fertilization occurs in the
A) uterus.
B)
Q28: At which stage is the human embryo
Q29: At what stage does a human embryo
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