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An allele is experiencing positive selection when
A) it decreases in frequency in a population due to selection.
B) it increases in frequency in a population due to selection.
C) its average excess in fitness of is greater than zero.
D) a and c
E) b and c
Positive Selection
The evolutionary process in which genetic variations that are advantageous for reproduction and survival become more common in subsequent generations.
Frequency
The rate at which a particular characteristic or phenomenon occurs within a given population or area.
Fitness
In evolutionary terms, the ability of an organism to pass its genes to the next generation, often measured by the organism's reproductive success.
- Evaluate the role of genetic and ecological aspects in the emergence of new species, taking into account the effects of sexual and natural selection.
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Learning Objectives
- Evaluate the role of genetic and ecological aspects in the emergence of new species, taking into account the effects of sexual and natural selection.
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