According to evolutionary theory, which of the following is the reason Alzheimer disease has not been eliminated by evolution?
A) It appears only in adolescence or early adulthood.
B) It is a genetic disorder.
C) It is caused by improper diet and inadequate physical activity.
D) It does not appear until late middle adulthood or late adulthood.

Question

Quizplus · Accepted Answer

Alzheimer's disease does not typically appear until late middle adulthood or late adulthood, after many individuals have already reproduced and passed on their genes. Therefore, natural selection is not able to eliminate the genetic factors that contribute to the development of the disease. Additionally, Alzheimer's disease may be caused by a combination of genetic and environmental factors, rather than being solely a genetic disorder.

According to Evolutionary Theory, Which of the Following Is the Reason