
Injections set

Oocytes

Blastocystes
Blastocyste before injection

Es-cells entering a blastocyste
Blastocyst injection by XYClone system

View of blastocystes injection space

View of oocytes injection space

Spermatozoa caught in oocyte's zona pellucida

Non fertilized oocytes with dead spermatozoas around

Injected blastocystes

Nucleus fusion

Two cells stage

Multifertilized oocyte
ES-cell Chromosomes

ES-cell Chromosomes

ES-cell Chromosomes

Gel running for southern blots