Parkinson’s disease is caused by mutations in two gene encoding proteins that can mediate mitophagy:

PINK1 (a kinase)

Parkin (E3 ubiquitin ligase)

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#XL - Q Biochemistry

Parkinson’s disease is caused by mutations in two gene encoding proteins that can mediate mitophagy:

PINK1 (a kinase)

Parkin (E3 ubiquitin ligase)

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#Id: 9178

#XL - T Zoology

Fitness 

Fitness is defined as the relative reproductive success of one genotype compared with other genotypes in the population

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#XL - T Zoology

Fitness- Average number of offspring produced by a genotype and divide it by the mean number of offspring produced by the most prolific genotype

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#XL - T Zoology

Average fitness

In a species, only 1 of every 1000 seeds survives to reproductive age, and that those that survive produce an average of 3000 seeds. 

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#Id: 9181

#XL - T Zoology

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#Id: 9182

#XL - T Zoology

Selection coefficient

A related variable is the selection coefficient (s), which is the relative intensity of selection against a  genotype

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#Id: 9183

#XL - T Zoology

The selection gradient measures the strength of directional selection acting on a quantitative trait.