fraternal twin

The results were consistent across both identical and fraternal twin pairs.

The girls are described as fraternal twins - with rare separate birthdays.

Portugal found that the looking preferences of the genetically identical twins were more similar than those of the fraternal twins.

In a nice pairing, identical twin Catholic clergy baptized a pair of fraternal twins during a recent Mass in Pennsylvania, The Times’ Sean Salai reports.

“There were actually 37 of them, and they were all different and included a set of twins as wives. They were fraternal twins — because the wives were men and women — who dressed identically,” Montgomery says.