We may be indistinguishable twins and yet we are completely different in many ways." Such disparity may seem strange. Truth be told, like indistinguishable twins, the pair have exactly the same genes. They are clones of each other. They also had childhoods that accentuated their similarities. Nature and support may seem to have handled their indistinguishable hands. Yet Barbara and Christine have become different people are curious, says Professor Tim Spector, Head of the Twins Examination at King's College London. Barbara and Christine, who had enrolled in the school's twin studies unit a few years earlier, are similar to numerous indistinguishable twins in some ways they are apparently equivalent in appearance, for example. However, in different ways, they are noticeably disparate – and this is much more difficult to clarify. “We see it in such a variety of distinctive ways,” Spector says of the same disorder . Yet they impart numerous different characteristics, such as height. It's not a clear matter. "It seems confusing. All in all, indistinguishable twins have the same genes, pass on the same uterus, and normally experience the same childhood." The vast majority of twins enrolled in our study attended the same school and lived together, consuming the same nourishment for the first 18 or so years of their lives," says Spector, whose pioneering study celebrates its 21st birthday in a month. "In any case, the conclusions of their lives are regularly quite different without a doubt. "It is a fascinating discovery and structures the center of another consciousness of the... middle of the paper......represents probably 0.1% of the helplessness for a condition. Furthermore and, after all, Said and done, these genes, overall, seem to record only a small part of the difference we see in the community and severity of these conditions in the population. This wonder has a name: it is called missing heredity indistinguishable twin investigations completed at St Thomas. “We started looking not at the similarities between identical twins, but at the contrasts. It was really a movement of recognition. Our work shows that the heritability of your age at death is only something like 25%. Furthermore, there is only a 30% risk that if one indistinguishable twin falls ill with coronary heart disease the other will also be affected, while the data relating to inflammation of the rheumatoid joint is something like 15%."