Scientists have used techniques similar to cloning to produce monkeys with the genes of two mothers. The research could lead to prevention of some inherited diseases in humans, the researchers say.
In short, the researchers replaced most of the genes in the eggs of one monkey with genes from another. Then the eggs were fertilized with sperm and put back into the womb. Healthy twins were born, nicknamed “Mito” and “Tracker.”
read about it at Live Science