100+ Neutral alleles PowerPoint (PPT) Presentations, Neutral alleles PPTs

Neutral alleles - PowerPoint PPT Presentation

Selection

Selection. Neutral evolution. Early assumption: most variation is mildly deleterious. Early genotyping surveys quickly revealed that the number of variable regions were far too many to be all deleterious. Kimura suggested that most alleles are selectively neutral,

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810 views • 80 slides

Mutationism, Neutralism, Selectionism

Mutationism, Neutralism, Selectionism. Neutral mutations. Deleterious mutations. Overdominant mutations. Advantageous mutations. New mutations may be: 1. Advantageous 2. Overdominant 3. Deleterious 4. Neutral. Probability of fixation: 1. Advantageous - low

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1.05k views • 71 slides

Gene Substitution

Gene Substitution. Dan Graur. Gene substitution is the process whereby a mutant allele completely replaces the predominant or wild type allele in a population.

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692 views • 50 slides

Evolution of Sex

Evolution of Sex. Evolution of Sex. Importance Nearly universal biological phenomenon What is its advantage?. II. Back to Evolution of Sex- Frequency. Asexual reproduction in an aphid. Volvox aureus , a freshwater alga. female. male. Asexual.

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355 views • 25 slides

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Neutral alleles - PowerPoint PPT Presentation

Selection

Mutationism, Neutralism, Selectionism

Gene Substitution

Evolution of Sex