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Access Costs

In addition to the significant infrastructure costs associated with recruitment and maintenance of the University of Washington Twin Registry, requests for data by investigators and institutions can require considerable time and effort from Registry staff. For these reasons, the Registry charges fees to all investigators who wish to use Registry …

Can twins be of different races?

Racial differences involve many genes. The genetics of racial appearance is very complex. Below is a simplified answer to this question. Fraternal …

Do twins run in your family?

Please share your story! Do you have twin children? Parents? Grandparents? Are there multiple generations of twins in your family? Are there …