Multiple Choice
Choose the correct pairing of characteristics of the unfertilized frog egg and those of the fertilized frog egg.
A) Bilaterally symmetrical: radially symmetrical
B) Gray crescent present: gray crescent absent
C) Diploid: haploid
D) β-catenin throughout the cytoplasm: β-catenin degraded in a certain region
E) Glycogen synthase kinase-3 (GSK-3) inhibited in a certain region: GSK-3 throughout the cytoplasm
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Which feature characterizes the pole plasm of
Q14: Which feature is a characteristic of both
Q15: A researcher studying frog development finds that
Q16: Refer to the figure showing two scanning
Q17: Which statement about frog eggs is true?<br>A)
Q19: You are watching the early cleavage stages
Q20: Refer to the figure showing some of
Q21: Which mammal is most likely to have
Q22: Which statement about human prenatal development is
Q23: You examine an embryo that has just