A set of twin boys are somewhat of a genetic phenomenon. One twin, Jakob, came into the world with light skin, blond hair and blue eyes, like his father, and the other twin, Joshua, took after his mother, who is Black, with brown hair, brown eyes and brown skin.

“Joshua looked like me and Jakob was really, really pale. We were completely stunned,” Jennifer Milner told Today Parents. “We both got a baby that looks like us! How cool is that?”

Milner also shared that aside from the twins’ physical variances, their personalities are also strikingly different from one another. She described Joshua as more of a “true people person,” who feeds off of interactions with others, while Jakob is more laid-back and likes to observe. But Milner says her boys are just like all other baby brothers. 

“They love giving each other kisses before bed. And Jakob will bring Joshua a pacifier. Of course they tackle each other sometimes,” Milner said. “They’re like any other brothers.”

The 39-year-old revealed that sometimes the Maryland twins draw unsolicited, intrigued stares, especially when she’s affectionate with Jakob in public.

“If I’m kissing him [Jakob], I’ll notice people are looking at us and trying to figure out our relationship,” she said. “I once ran into a woman who knew I was pregnant and instead of congratulating me she said, ‘That’s your biological son?’”

Despite the gawking gazes and invasive questions, however, Milner says that her twins should serve as reminders that inside, we’re all the same.

"They’re a reminder that we’re all human with the same basic needs. The only difference is the complexion,”she said. “It’s really beautiful.”

In addition to the Milner boys, biracial twins have been making headlines for years. Twins Maria and Lucy Aylmer from Gloucester, England, are another set of biracial twins, one with light skin and red hair, and the other with dark hair and brown skin.

“No one ever believes we are twins. Even when we dress alike, we still don’t look like sisters, let alone twins,” Maria told the Daily Mail. 

But according to a geneticist, the twins aren't actually that much of an anomaly.

"Twins who look so different are very striking to the general public, but to a geneticist, it's not really that weird," Janet Boughman, executive vice president of the American Society of Human Genetics, said, according to BabyCenter.  

"There are many reasons for this, of course, but one is that we often marry people from our own geographical region, and any geographical region will have some commonality of the gene pool," she added.

With an increase in interracial relationships, Boughman says it’s likely that the number of biracial twins that appear across the globe will begin to increase.