The genes that determine hair and eye color are recessive. The male members of their family are carriers of this gene, even though it does not manifest in their appearance. After the initial surprise, which led them to check if the hospital had switched their baby, they investigated and were reassured, reports Noticias Argentinas, which picked up the story during its usual review of international headlines. Studies that gave the answer Mr. Yang and his wife underwent DNA studies that confirmed them as the biological parents of the girl. Buenos Aires, December 8 (NA) – A Chinese couple was surprised when they saw their newborn daughter was blonde and blue-eyed, according to media in their country. "It is expressed in girls," commented a source. For his part, Lao Ren, a well-known science blogger, pointed out that this case represents a classic example of transgenerational inheritance. The family history completed the explanation, as the girl's paternal great-grandfather was Russian. The great-grandfather married a woman from China's central Henan province and lived in the Asian country until his death in 1985, an RT Actualidad report highlighted. Thus, the couple residing in the prefecture-level city of Yancheng (Jiangsu, China) were reassured after the initial surprise, which dates back to May 2022. Recessive genes "The recessive genes inherited from my great-grandfather, which affect our appearance, seem to be inactive in males," explained the father, clarifying that all previous births recorded in his family were of males, and none of them—not even his father—had mixed-race traits.