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While on a Mexican trip to the Yucatan I was shown by my Mayan host a deep purple spot which appears on the lower back near the buttocks of the Mayas. He stated it is a genetic birthmark on pure Mayan people and is called the “Mongolian spot.”

According to my host, the same genetic marker spot appears on Mongols. He argued that this marker is a proof that at least some of the Amerinds were descendants of Mongol immigration.

Anyone know the truth of this?

some of the Amerinds were descendants of Mongol immigration.

Not much doubt about this.

Dunno, wildbill, whether this is true or not.

For whatever it is worth, my youngest was born with this deep purple spot also.

When I questioned the doc about it, he called it the “Mongolian Bruise”, and said it related back to Ghengis Kahn (Jenjis Kahn to JFKerry types). My husband’s parents both have ancestors in Southern Italy, so possibly that is the link.

My ancestors are all from Scotland, Wales, etc...

According to my host, the same genetic marker spot appears on Mongols. He argued that this marker is a proof that at least some of the Amerinds were descendants of Mongol immigration. Anyone know the truth of this?

It is called a "Mongolian" spot but it could be named after all sorts of Asians.

Mongolian spot is most prevalent among Mongols, Turks, and other Asian groups, such as the Chinese, Koreans, Japanese, etc. Nearly all East Asian infants are born with one or more Mongolian spots. The incidence of Mongolian spot among East Asian infants is 95-100%.[1] It is also common if only one of the parents is East Asian. ...... Among East African infants it is found at rates between 90-95%, and 85-90% of Native American infants.[1]...... The incidence among Caucasians, that is, the indigenous peoples of Europe, the Middle East, North Africa and the Indian subcontinent (Pakistan, India, Bangladesh, Sri Lanka) is between 1-10%.[1] ...... Additionally, there is an incidence of 50-70% among Hispanics,[1] presumably as a result of the Native American admixture found in mestizos (people of mixed European and Native American ancestry) who comprise the largest racial group among Hispanics.