Refer to the figure showing manipulations carried out by Spemann on developing amphibians. 
The results of this experiment indicate that the gray crescent is _______ for normal development of the amphibian embryo.
Correct Answer:
Verified
Q220: Refer to the figure showing a scanning
Q221: The pole cells are the first cells
Q222: A scientist is running an experiment on
Q223: Choose the correct pairing of human developmental
Q224: Which feature characterizes nervous system development in
Q226: You are observing a video of development
Q227: You are watching the early cleavage stages
Q228: If you turned a frog egg upside
Q229: Which statement about human prenatal development is
Q230: Which mammal is most likely to have
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents