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Fig. 8. Kinetics of blastopore closure in Xdd1-injected embryos. (A) Kinetics of
closure for the embryos shown in Fig.
7A-D. (B) The mean kinetics of closure for eight independent
blastopore closure experiments (n=20 control, 12 ventral, 11 dorsal,
16 circumferential). Within each day, and on average, we observed increasingly
severe defects in blastopore closure in ventrally, dorsally and
circumferentially injected embryos.