Creating a Twin STAR

Creating Fido's twin: can pet cloning be ethically justified?

Taken at face value, pet cloning may seem at best a frivolous practice, costly both to the cloned pet's health and its owner's pocket. At worst, its critics say, it is misguided and unhealthy--a way of exploiting grief to the detriment of the animal, its owner, and perhaps even animal welfare in general. But if the great pains we are willing to take to clone Fido raise the status of companion a...

CREATING A SOCIAL WORLD : 3 A DEVELOPMENTAL TWIN STUDY OF PEER GROUP DEVIANCE 4 5 Kenneth

Creating a social world: a developmental twin study of peer-group deviance.

CONTEXT Peer-group deviance is strongly associated with externalizing behaviors. We have limited knowledge of the sources of individual differences in peer-group deviance. OBJECTIVE To clarify genetic and environmental contributions to peer-group deviance in twins from midchildhood through early adulthood. DESIGN Retrospective assessments using a life-history calendar. Analysis by biometric...

The feasibility of creating a population-based national twin registry in the United States.

Between 4 to 6 million twins exist in the US today who offer scientists a valuable potential resource for conducting behavioral and biomedical research. However, unlike many other countries, there is no national system in the US for identifying twins and eliciting their participation in these important research programs. Therefore, the National Institute of Environmental Health Sciences (NIEHS)...

Conjoined Twin

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