Nurturing Life Sciences
#Id: 10492
#Id: 9961
#Unit 4. Cell Communication and Cell Signaling
#Id: 2353
#Unit 5. Developmental Biology
If the middle slice is too narrow, there is no discernible morphogen gradient within it, and regeneration is abnormal.
#Id: 182
#Id: 6930
#Unit 8. Inheritance Biology
#Id: 8582
#Unit 2. Cellular Organization