Fraternal Twins
Then there were Katie’s findings. Katie, Hugh’s fraternal twin, had a British and Irish heritage line that was much stronger than any of her siblings. While this may create the effect that the exams were incorrect, DNA expert Dr. Ruth Ballard told KPIX 5 that this was completely normal, particularly for fraternal twins.
Fraternal Twins
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Similar DNA Too
“You would expect there to be differences, and I would have been very surprised if this had come back without any.” She stated that while identical twins are born with very similar DNA, fraternal twins have more genetic variations because one of them may inherit more DNA from one parent than the other.
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