/ Differential Display PCR / DNA Content Histogram / DNA Regulatory Element / DNA Specific Dye / embryonic cell labeling / ES Cell / Exogenous DNA / Final DNA Concentration / Forward Scatter / gene regulation analysis / HH Stage / Materno-fetal medicine / Materno-foetal medicine / perinatology / MEDICAL / Gynecology & Obstetrics / molecular biology / molecular techniques for teratology research / Nucleosomal Laddering / Null Mutant Mice / Paraffin Histology / PCR Amplification / Phosphorothioated ODNs / protein expression profiling / SCIENCE / Life Sciences / Biochemistry / SCIENCE / Life Sciences / Cell Biology / SCIENCE / Life Sciences / Molecular Biology / Thermostable DNA Polymerase / toxicogenomics / Toxicology (non-medical) / TUNEL Label / Vitelline Membranes