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fate maps: 2 a1

Stage

32-cell

 blastomere a1

contributes to:

 
animal major: moderate: minor:
ventral dorsal

retina, brain, spinal chord, cement gland, olfactory placode

 

cranial ganglia, neural crest, lens, head epidermis

 

otocyst

 
branchial arch central and head somites, heart, notochord
pharynx, foregut liver, archenteron roof, ventral hindgut
vegetal mapping data based upon Moody (1987)