Recently, on social networking sites in China spread information that a 33 -year -old woman in Shanghai gave birth to a black boy in the hospital.However, the biological parents of the boys are all golden Chinese.The nurses immediately asserted that they were very interested in the boy after birth and there was no case of "carrying the wrong".
Many netizens speculate each other that it is likely that the woman has committed adultery.However, experts pointed out the cause of unexpected.
Dr. Zhang Jiaming, Head of Genetics Department at Taipei Veterans General Hospital (Taiwan, China) and a genetic expert, said that in theoretically, a child can give birth to a child with a child withWhile skin, although both parents are yellow, this case is extremely rare.
Dr. Zhang Jiaming (right) explains the case of a boy with dark skin spread on Chinese social networks (left)
He pointed out that basically two possibilities.One is that both parents have the melanin gene (a natural skin pigment, hair color, skin and eyes in humans and animals) diving, causing children to have black skin."Because this Melanin gene is a diving gene, even if both parents have this melanin gene, their appearance is still yellow.black".
The second is that the baby himself has "mutated".Dr. Zhang Jiaming said that due to genetic mutations in the formation of fertilized eggs, can cause abnormalities in some physiological characteristics of the baby, including skin color."Although this phenomenon is rare, it is not impossible."
However, Dr. Zhang Jiaming is also worried that the baby's dark skin at birth may be a symptom of some diseases and may need to monitor and observe health in the future.
Regarding whether the black child's child will have black skin, he believes that the possibility of occurring is low because the melanin gene mutation is diving if the spouse does not carry the Melanin mutation gene, the children will still not have noBlack skin.
Source and photo: HK01