How is nuclear transplantation performed in animals?

It replaces the nucleus of an egg cell with an adult somatic cell, it grows the cell, implant the blastocyst into a substitute mother- first performed on frogs in 1950.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.