13. Induced Twining in the Sea Urchin (Arabacia punctulata)
Channel: UMass Amherst Libraries
Date: 06/05/2016

Developmental Biology Film Series episode 13.

A fertilized sea urchin egg in hypertonic (higher osmotic pressure due to increased salinity) sea water will separate into two blastomeres forming two twin organisms.

Biologist:  Eugene Bell, Massachusetts Institute of Technology

National Science Foundation Grant DB14

CREDITS
Photographer – Joseph V.  Durden

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