It is not true that the strongest members of a population are most fit.
What is fitness?
- "Fitness means reproductive success and reflects how well an organism is adapted to its environment."
- Natural selection will affect the fitness.
- "Natural selection is the process by which the populations of living organisms adapt and change."
- Natural selection is responsible for microevolution (change in allele frequency).
- Stable allele frequencies prevent microevolution.
- Random mating (where people mate without considering their respective genotypes) will leads to microevolution.
Hence, the correct option is A. The strongest members of a population are most fit.
To know more about natural selection here
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