Question

The blood group B is almost absent in Native Americans, whose ancestors arrived in very small numbers about 10,000 years ago. Which factor is responsible for this phenomenon?

Answer 1

The factor that is responsible for the phenomenon of the blood group B being almost absent in Native Americans whose ancestors arrived in very small numbers about 10,000 years ago would be called the 'founder effect'. 

Answer 2

Answer:

Founder effect

Explanation:

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