The Company of Biologists

Table 2.

Genotype and viability of Foxp2^−/−;Foxp1^+/−mutants (Foxp1^+/−;Foxp2^+/−× Foxp2^+/−)

Age	Total offspring	Number of Foxp2^−/−;Foxp1^+/−
E12.5-E18.5	122	10
P0-P14 (live)	114	0