'Diversifying selection' presentation slideshows

The Neutral Theory M. Kimura, 1968

The Neutral Theory M. Kimura, 1968. Most observed DNA substitutions are likely to be neutral = no effect on fitness. Polymorphisms arise through new mutations . - deleterious mutations are rapidly removed by purifying selection , which must be pervasive

350 views • 34 slides

DIVERSIFYING SELECTION AND FUNCTIONAL CONSTRAINT

DIVERSIFYING SELECTION AND FUNCTIONAL CONSTRAINT. ESTIMATING THE dN/dS RATIO FOR GENE SEQUENCES IN THE PRESENCE OF RECOMBINATION. Danny Wilson 18 th August 2005. Example: CTT. C. T. T. T. T. T. A. T. T. Leucine. G. T. T. C. C. T. C. A. T. C. G. T. C. T. C. C. T. A.

239 views • 15 slides

REVIEW FOR QUIZ TO ADD POINTS TO EVOLUTION GRADE

249 views • 13 slides

AP Biology Evolution Unit

388 views • 12 slides

Evolution and Biodiversity: Origins, Niches, and Adaptations

353 views • 9 slides

III. A Closer Look at Natural Selection A. Natural selection, adaptation, and evolution

III. A Closer Look at Natural Selection A. Natural selection, adaptation, and evolution B. Patterns of natural selection 1. Directional selection 2. Stabilizing selection 3. Diversifying selection C. Effects of selection on the distribution of phenotypes. aa. aa. aa. AA.

366 views • 5 slides