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===Cloning, Stem Cells, and Abortion===

===Cloning, Stem Cells, and Abortion===

The character Solid Snake, Liquid Snake, and Solidus are all clones of the super soldier Big Boss. In the method described in the game in vitro fertilization is used with eight embryos, and five of them are aborted to give rise to the clones. The main villain, one of the clones, explicitly refers to this action as murder, although he attributes this to themselves.

The character Solid Snake, Liquid Snake, and Solidus are all clones of the super soldier Big Boss. In the method described in the game in vitro fertilization is used with eight embryos, and five of them (originally stated as six of them, before the plot twist regarding Solidus was revealed) are aborted to give rise to the clones. The main villain, one of the clones, explicitly refers to this action as murder, although he attributes this action to themselves rather than the ones actually doing the abortion.<ref>''Metal Gear Solid'', Konami Computer Entertainment Japan (1998)<br />Liquid Snake: Then they transferred the clones to someone's uterus and later intentionally aborted six of the fetuses to encourage strong fetal growth... You and I were originally octuplets. // Solid Snake: Octuplets... // Liquid: Yes. The other six of our brothers were sacrificed to make us. We were accomplices in murder before the day we were even born.</ref>

Big Boss, after having been "mortally wounded," supposedly survives by being cryogenically frozen, then stem cells heal him.

Big Boss, after having been "mortally wounded," supposedly survives by being cryogenically frozen, then stem cells heal him.