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Unformatted text preview: Lab 6 HardyWeinberg and Kuru Whats up with allele frequencies?? 1. How can O+ be the most common of the blood types if it is the expression of a recessive allele? 2. Since Huntingtons disease comes from a dominant allele, shouldnt three quarters of the population be affected? 3. Shouldnt recessive lethal alleles gradually disappear from populations? Allele Frequencies Allele frequency in a twoallele system: p = the proportion of one allele q = the proportion of the other allele p + q = 1 Lets say p is the proportion of r+ (orange fur) alleles in the Fraggle population and q is the proportion of r (green fur) alleles in the Fraggle population. Lets also say that p = and q = . 1.) Whats the probability of a Fraggle having TWO r+ alleles? 3.) Whats the probability of a Fraggle having ONE r+ allele and ONE r allele? 2.) Whats the probability of a Fraggle having TWO r alleles? [Read as: The probability of having an r+ allele is 1/2, and the probability of having an r allele is 1/2.] Lets say p is the proportion of r+ (orange fur) alleles in the...
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This note was uploaded on 08/18/2011 for the course GENETICS 382 taught by Professor Staff during the Spring '11 term at Rutgers.
 Spring '11
 Staff
 Genetics

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