QUINCY, ILLINOIS — It certainly is a rarity -- twin girls with different skin tones.
Take a look at Kalani and Jarani Dean.
The twins were born in April 2016 and ever since, their Illinois parents have been posting pictures.
Having a white mother and black father only explains part of the phenomenon. The girls are fraternal twins, each starting as a separate fertilized egg. So, they draw different combinations of genes from their parents.
If the mother and father are of different races, then their twins' skin tones can be different. Even so, it's estimated to be as rare as about a one in 500 chance.
Cox Media Group
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