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Question

The ability of an individual to pass on its phenotype to future generations is known as

A
Fitness
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B
Heritability
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C
Limited environmental resources
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D
Overproduction of offspring
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E
Phenotypic variation
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Solution

The correct option is D Fitness
Natural selection acts upon the phenotype and not on genotype. Even with a large variation in genotypes within a population, natural selection will only occur if the genetic variations result in physical, chemical, or behavioral expressions (phenotypes) in individuals. One of the basis of natural selection is the ability of an individual to pass on its phenotype to future generations and is known as Fitness. Thus, the correct answer is option A.

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