TABLE 2. Branchial arches in embryos at E10.5

Genotype Total no. of embryos counted % of embryos with number of branchial arches of:
4 3 2 1
CK2{alpha}+/+ 18 78 22 0 0
CK2{alpha}+/– 16 69 19 13 0
CK2{alpha}–/– 14 25 36 50 7