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GN Online: Human cloning project claims progress Dr Antinori and Dr Zavos' project involves transferring the DNA from the nuclei of living cells into a woman's ovum to create a human embryo which would then be implanted into a woman's uterus.

Replying to a question from a member in the audience at the Zayed Centre on the reason for the premature ageing of Dolly, the cloned sheep, Dr Antinori said they had, indeed, observed ageing in cloned animals.

But new advances were being made in this field every day, and they have found animal cloning insufficient and it is likely to remain so in the future. "We see different results in different species," he pointed out.