The "demographic cross-over effect" refers to which of the following phenomena?

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The demographic cross-over effect refers to the phenomenon where minority persons who have experienced social disadvantage still have a higher survivability and life expectancy at advanced ages, compared to the majority population. This is contrary to the expected trend where the minority population usually has a lower life expectancy due to social and economic disadvantages. Option A is incorrect as it describes the opposite of the demographic crossover effect. Option B refers to undercounting of certain populations in census data, and option D refers to the decline in death rates followed by birth rate decline, which is a different demographic trend.

The "Demographic Cross-Over Effect" Refers to Which of the Following