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4 Cards in this Set
- Front
- Back
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calculating frequency of an allele
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f(A) = number of alleles of that kind/ the total number of alleles
1000 people means 2000 alleles. Look at 100 carriers and 5 diseased of recessive. then a = 100 + 5(2) = 110. f(a) = 110/2000 = decimal value |
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Hardy weinberg first property: calculating genotypes present
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AA Aa and aa are represented
(p + q)^2 = p^2 +2pq + q^2 = 1 p being AA pq Aa q aa. A = p so 1-p = q. |
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HW second property: genotypes over time
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p^2 : 2pq : q^2 will remain constant over generations
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HW third property: conditions
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population large
random mating small mutation rate all genotypes are equally fit no immigration of ppl with different allelic frequencies |
