In cattle cloning,the zygote is taken out of the mother's uterus and ... .
- AAt the $8$-celled stage,cells are separated and cultured until a small embryo is formed. It is then implanted into the uterus of another cow.
- BAt the $8$-celled stage,each cell is separated in an electric field and allowed to develop further in a culture medium.
- CEight identical pairs can be produced from it.
- DThe egg is divided into four pairs of cells. They are implanted into the uterus of other cows.
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