What is absolute fitness, relative fitness and mean fitness? What factors influence absolute fitness? What factors influence mean fitness?

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Keith LeannonLv2

18 Dec 2018

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What is the difference between Evolutionary Fitness and Relative Fitness?

There are two Alleles, A1 and A1. Suppose that in generation 1, the frequency of allele A2 is 0.3 and the A2A2 homozygotes have a relative fitness of 0.25. The other two genotypes have a relative fitness of 1. Consider when there is inbreeding, therefore do not assume random mating. Instead, assume that the value of Wright's F statistic is 0.5, as it would be under complete self- fertilization a) What are the 3 frequencies of the genotypes? b) Describe why this would differ from values under random mating? c) What is the mean fitness of the population? g) explain how this mean fitness would be different than it would be under random mating?

lavenderchinchilla671

Rates of survival (to sexual maturity) for genotypesA₁A₁,A₁A₂,andA₂A₂are90%, 85%, & 75% and their fecundities 50, 55, and 70 offspring,respectively.

a. Calculate absolute fitness (W) forthese genotypes.

b.UsingA₁A₁as thefitness reference, calculate relative fitness(w) for each genotype.

c.If the frequency of theA₂allele is p= 0.5,what will its frequency be one generation later?

limehippopotamus552

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What is absolute fitness, relative fitness and mean fitness? What factors influence absolute fitness? What factors influence mean fitness?

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