What is the selection coefficient?

A measure of the strength of negative selection against a less fit allele or genotype in a population.

What does a selection coefficient (s) value of 1 mean?

Individuals carrying disadvantageous alleles in their genotype will not leave any offspring in the next generation.

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Lecture 11

Question	Answer
How does natural selection influence allele frequencies?
How does natural selection influence genotype frequencies?
What is the selection coefficient?	A measure of the strength of negative selection against a less fit allele or genotype in a population.
What does a selection coefficient (s) value of 1 mean?	Individuals carrying disadvantageous alleles in their genotype will not leave any offspring in the next generation.