The stage an embryo enters following fertilization is called the _______ stage.
A) fetal
B) cleavage
C) gastrula
D) blastula
E) trophoblast
Correct Answer:
Verified
Q6: The gray crescent is the region of
Q7: The genome that is used to make
Q8: The sperm contributes _ to the zygote.
A)
Q9: You can artificially activate an unfertilized frog
Q10: The cleavage pattern shown below would be
Q12: If you shift the position of a
Q13: Some animal embryos establish axes early in
Q14: If you treat unfertilized frog eggs with
Q15: Which event does not occur during cleavage?
A)
Q16: The gray crescent
A) is observable in the
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