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Question 19 The gel above shows 7 alleles, in this sample of 11 individuals, what percentage of individuals are homozygous? Please type your answer as a number, rounded to the nearest whole percentage. ANSWER: In the gel image below Blank 1 percent of the individuals are homozygous. Photograph of UV illuminated 1 % agarose TBE gel run for 40 minutes at 120 V, showing the result of PCR from a variable number tandem repeat region in 11 different individuals (A-K) 2000 1650 1000 850 600 500 Key: Lane 1: Lanes 2-12: A B C D E F G H I J K 2 Points DNA ladder, see image for fragment sizes in base pairs (bp) PCR Products from the same variable number tandem repeat (VNTR) autosomal region of DNA from 11 different individuals (A-K) :