In artificial embryo twinning, a very early embryo is separated into individual cells in a Petri dish in a laboratory. Each cell is allowed to divide and develop on its own and then implanted into a surrogate mother. It is a form of sexual reproduction.

esults in identical twins when the cells in a developing zygote become separated after the two-cell stage

Creates a clone from an adult organism. DNA from a somatic cell taken from the adult is injected into an unfertilized, enucleated egg and then implanted into the uterus of a surrogate mother. It is a form of asexual reproduction.

Start with 2.... embroiled develops..

Nourish and surround egg cell, semituniferous tubules, found in nervous system