A biologist is repeating the Hans Spemann experiment in which he observed the formation of a grey crescent which has formed after fertilization.Based on this information you would conclude that he or she is studying which of the following organisms?
A) A fish
B) A human
C) A reptile
D) A chicken
E) A frog
Correct Answer:
Verified
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Q15: During development,which of the following describes the
Q16: A woman is considered pregnant when:
A)Sperm are
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Q20: The allantois:
A)Gives rise to the umbilical blood
Q21: Which of the following is not an
Q22: During embryo formation,a ball of cells with
Q23: What is a reasonable conclusion as to
Q24: In the human male,the tube used to
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