A small gene pool has lead to color-blindness spreading throughout an island population.
A typhoon in the 1770's nearly wiped out the population of Pingelap. The small gene pool has lead to color-blindness spreading throughout 10 percent of the population.
AIR DATE 6/29/16
Discover the thrilling story of how you were made, from the moment of conception to the moment of birth 280 days later. Follow the gestation process, the most exquisite biological choreography found in nature.
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