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. Author manuscript; available in PMC: 2007 Apr 10.
Published in final edited form as: Dev Biol. 2006 Apr 4;295(2):559–570. doi: 10.1016/j.ydbio.2006.03.044

Table 1.

Frequency of aortic arch defects in Tbx1Fgf8/+ at E18.5

Genotype Normal Abnormal
Tbx1+/+ 44 0
Tbx1+/− 19 7 (35%)
Tbx1Fgf8/+ 11 33 (75%)

Defects are twice more frequent in Tbx1Fgf8/+ compared to Tbx1+/− (P = 0.0008).