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Table 3 Frequency of braddyarrhythmia at 15°C in st.24 and st.34 medaka embryos of the Hd-rR and ODT strains

From: Regular heartbeat rhythm at the heartbeat initiation stage is essential for normal cardiogenesis at low temperature

 

Total

Phenotype (%)

Arrhythmia

Normal

F1 × F1

28

6 (21.4)

22 (78.6)

F1 × Hd-rR

113

61 (54.0)

52 (46.0)

  1. The heartbeat was examined at st.24 recorded 3 h after the onset of the 15°C treatment in the F1 intercross (F1 × F1) and F1 backcross (F1 × Hd-rR) embryos.
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BMC Developmental Biology

ISSN: 1471-213X

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