Ch3Q4-PID

Ch3Q4-PID - n, for the reliable identification of...

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CH 3 Q 4 Page 100 Two microsatellite lo P(ID) Question a population of badg Allele Locus1 Locus2 useful in combination 1 0.1 0.4 2 0.15 0.3 3 0.25 0.3 4 0.1 5 0.4 SUM of allele freq's 1 1 should =1 - they do - just checking! (2pq)^2 Locus1 Het allele comb's Homozyg calc (p^2) Allele Locus-1 Locus-2 Locus1 Locus1 pi^4 1 0.000 0.026 1 2 pi^4 2 0.001 0.008 1 3 pi^4 3 0.004 0.008 1 4 pi^4 4 0.0001 1 5 pi^4 5 0.026 2 3 SUM (pi^4) SUM 0.030 0.042 2 4 2 5 3 4 3 5 4 5 LOCUS-1 LOCUS-2 SUM (pi^4) 0.030 0.042 2(pipj)^2 0.103 0.148 pi^4 + 2(pipj)^2 0.133 0.189 Product of 2 loci 0.025 My value of P(ID) for Locus 1 is slightly different from book's answer on page 348 - either just rounding differences or perhaps book or I have an error
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ci each have multiple alleles with the frequencies shown below in ers. How useful would each of them be by themselves, and how
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Unformatted text preview: n, for the reliable identification of individuals from genotype data? (2pq)^2 Locus2 2pipj 2(pipj)^2 Locus1 Locus1 Locus2 Locus2 2pipj 2(pipj)^2 0.030 0.001 1 2 0.24 0.058 0.050 0.003 1 3 0.24 0.058 0.020 0.0004 2 3 0.18 0.032 0.080 0.006 SUM 0.148 0.038 0.001 0.015 0.0002 0.060 0.004 0.275 0.076 0.100 0.010 0.040 0.002 SUM 0.103 Loci used separately have P(ID) > 0.05 so not very powerful to distinguish individuals Loci used together have more power - P(ID) less than 0.05 - but remember that each question will have a threshold value for P(ID) - in some cases 0.05 is not low enough...
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This note was uploaded on 01/24/2010 for the course BIS 104 taught by Professor Scholey during the Winter '08 term at UC Davis.

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Ch3Q4-PID - n, for the reliable identification of...

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