Examining each twin’s DNA will reveal whether they are identical or fraternal; fraternals also normally have separate amniotic sacs, as well as separate placentas. Are boy-girl twins always ...

Counting On sibling Jedidiah Duggar and his wife, Katelyn Nakatsu, welcomed fraternal twin girls earlier this month.

This story appears in the January 2012 issue of National Geographic magazine. Every summer, on the first weekend in August, thousands of twins converge on Twinsburg, Ohio, a small town southeast ...

But they share only a proportion of their father's DNA - placing them, genetically, somewhere between fraternal and identical twins. Experts say the phenomenon is extremely rare - embryos such as ...

Fraternal twins: Identical twins: There's another, extremely rare type of twins called semi-identical (sesquiszygous) twins, who share more than half but less than all their DNA. Semi-identical ...

TWINS are when two children are produced in the same pregnancy. They can be identical or different, and two boys, two girls, or a girl and a boy. Dizygotic – also known as ‘fraternal’, non ...

They thought they were fraternal twins until 2002, when they took DNA tests at the festival and learned they were identical. “We looked exactly alike,” says Shawn, who is a kindergarten ...

The DNA results have also revealed that Rosemary ... Melvis Imbaya, who has been living with Melon as fraternal twins in Kakamega County, has been confirmed to be the daughter of Angeline Omina ...

Examining each twin’s DNA will reveal whether they are identical or fraternal; fraternals also normally have separate amniotic sacs, as well as separate placentas. Are boy-girl twins always ...