Table 1.

Fancd2 KO embryos are present in expected numbers at E14.5. Timed matings were performed between Fancd2 +/− heterozygotes and harvested at 14.5 days post-conception. Embryos were individually genotyped by PCR (n=71).

Genotype	Fancd2 −/−	Fancd2 +/−	Fancd2 +/+
Actual Number	19	37	15
Expected Number	17.75	35.5	17.75
Actual Percent	27%	52%	21%
Expected Percent	25%	50%	25%