IVF babies are more likely to suffer from a rare gene disorder and scientists say the finding is another good reason not to make human clones.

Beckwith-Wiedemann syndrome is a condition which causes too much growth, kidney abnormalities and a raised chance of tumours.

The syndrome is the result of errors in a process called “imprinting”, which happens when the DNA from mother and father are combined when the embryo is first conceived.
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