Book of Mormon/DNA evidence/New World death rate after European contact
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90% death rate in the New World after European contact
Approximately ninety percent of the Amerindian population died out following contact with the Europeans; most of this was due to infectious disease against which they had no defense.[1]
Since different genes likely provide different resistances to infectious disease, it may be that eliminating 90% of the pre-contact gene pool has significantly distorted the true genetic picture of Lehi's descendants. Studies of pre-Columbian human remains have not shown any extinct haplotypes—as one would expect given the small contribution made by a Lehite colony. Gene frequency, however, could well have been altered by such a dramatic die-off, suggesting that caution should be used in assuming that modern Amerindian populations are an identical match for pre-Columbian gene frequencies.
Endnotes
- [note] Suzanne Austin Alchon, 'A Pest in the Land: New World Epidemics in a Global Perspective,' Albuquerque : University of New Mexico Press, c2003.