Table 3.

Derivation of ES cell lines from blastocystsa

GroupTotal no.No. with genotype
WtHetNull
Blastocysts62252710
ES cell lines3316170
  • a Statistical analysis to derive ES cell lines from day 3.5 blastocysts of the indicated genotypes (see also Fig. 4A and B). Wt, wild-type; Het, heterozygous.