What is a major reason the population studied by Nancy Wexler has such a high frequency of Huntington disease?
A) The population was genetically very diverse.
B) Huntington disease originated in this population.
C) People in the population all ate the same foods.
D) People in the population all shared the same water supply.
E) The population was reproductively isolated.

Question

Quizplus · Accepted Answer

The population studied by Nancy Wexler, the Venezuelan population of Lake Maracaibo, was reproductively isolated. This means that individuals in the population tended to marry within their own community, leading to a greater chance of passing on the Huntington disease gene. Additionally, because the population was small and isolated, there was little gene flow from outside populations that could introduce genetic diversity and potentially dilute the prevalence of the Huntington disease gene.

What Is a Major Reason the Population Studied by Nancy