2 19 10 Selection Cases

2 19 10 Selection Cases - Model systems for study of...

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Model systems for study of evolution should have what characteristics? High rate of mutation : That leads to genetic variation on a short time scale. High rate of reproduction : Lots of progeny, also a short time scale (mating patterns) Competition for resources : self-explanatory
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HIV infection Is there genetic variation among HIV virus particles in an infected individual? Is there significant mortality in the virus population of an infected individual? Does genetic variation make a difference in survival and reproduction of HIV virus?
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Numbers of people living with HIV/AIDS www.avert.org ; data from WHO/UNAIDS
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4 06/06 e Total 38.6 million [33.4 – 46.0 million] Adults 36.3 million [31.4 – 43.4 million] Women 17.3 million [14.8 – 20.6 million] Children under 15 years 2.3 million [1.7 – 3.5 million] Total 4.1 million [3.4 – 6.2 million] Adults 3.6 million [3.0 – 5.4 million] Children under 15 years 540 000 [420 000 – 670 000] Total 2.8 million [2.4 – 3.3 million] Adults
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2 19 10 Selection Cases - Model systems for study of...

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