Five Little Piggies

Five little piggies

Above: Five Little Piggies

Source: http://www.guardian.co.uk/pictures/image/0,8543,-10804328739,00.html

Five cloned female piglets, named Noel, Angel, Star, Joy and Mary – an   important step towards “knock-out pigs”. They were born on   Christmas Day 2001 in what the Scottish-based firm PPL Therapeutics says is a   major step towards successfully producing animal organs and cells for use in   human transplants. The pigs lack a gene to which the human immune system   reacts aggressively. When an all-male litter is born and bred with the   females, a true knock-out pig will be created.
Photo: PA/PPL Therapeutics
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