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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: Distant hybrids of Heliocidaris crassispina (♀) and Strongylocentrotus intermedius (♂): identification and mtDNA heteroplasmy analysis

Fig. 1

Rate of success at each developmental stage in Heliocidaris crassispina purebred offspring, Strongylocentrotus intermedius purebred offspring, and H. crassispina (♀) × S. intermedius (♂) hybrids. HC_F: Purebred offspring of the H. crassispina Fujian population; SI_C: Purebred offspring of the S. intermedius cultured population; HS: H. crassispina (♀) × S. intermedius (♂) hybrids. “**” indicates an extremely significant difference (P < 0.01) between the two groups connected by the line

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