Genetic Testing Can Resolve Paternity Disputes in Monozygotic Twin Cases

AI Summary

A genetics expert disputes a court of appeal's decision that it's impossible to determine which identical twin fathered a child, citing the feasibility of molecular genetic techniques to resolve such paternity disputes.

A recent court of appeal decision suggesting it's impossible to determine which identical twin fathered a child has sparked controversy among genetics experts. Prof Michael Krawczak from Kiel University, Germany, argues that this is not the case. According to Krawczak, the germ cells of monozygotic twins differ with sufficient probability and to a sufficient degree to allow their respective children to be clearly assigned to either of them using molecular genetic techniques.

Krawczak and his colleagues first proposed this approach in 2012 and demonstrated its practical feasibility in 2018. While the required molecular genetic testing is costly, currently in the five-figure range, Krawczak questions whether these costs would be a significant enough barrier to preclude genetic testing, given the potential consequences of inaction for those involved.

The court's assertion that it was "not possible" to determine paternity in such cases is therefore disputed. Krawczak's comments highlight the potential for genetic testing to resolve paternity disputes in cases involving monozygotic twins, offering a solution to a complex and sensitive issue.