Which statement best describes antagonistic pleiotropy?

A) Certain diseases have low frequencies in young people, but the frequencies increase as people age.
B) There are many genes that work together to control aging and thus many opportunities for mutations.
C) Some diseases have low frequencies in geographic populations with high frequencies of certain mutations.
D) Mutations contributing to aging can increase in frequency if those same mutations promote fitness earlier in life.

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Mackayla Chenault · Accepted Answer

Final Answer : D, Explanation :  Antagonistic pleiotropy refers to the concept where a single gene controls for more than one trait, where at least one of these traits is beneficial to the organism's fitness early in life but detrimental later in life, thus explaining how mutations that contribute to aging can increase in frequency if they enhance fitness in the organism's youth.

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