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3. You are working on a forensics research project examining ancient remains recovered from a
burial site in Norway, dating to 1000AD. You believe the skeletons may belong to the infamous
King Kristoff and Queen Anna. Historical records state that this royal couple produced two
children, Sven and Olenna, who then married each other in an attempt to strengthen the royal
bloodline. They had a single son named Hanns, who went on to have one son named Wolf with
his wife Talisa (otherwise unrelated to the family). Wolf never married or had children, but he spent
his life with a male companion named Leif. The burial site contains 8 relatively well-preserved
adult skeletons. You are able to extract enough DNA to successfully PCR seven microsatellite
(STR) loci plus the amelogenin locus and want to determine whether the relationships of these
skeletons match the legend of King Kristoff & Queen Anna. The table below includes data for the
first six skeletons that have been analyzed. Answer the following questions and include a
completed copy of Table 1 in your answers file. For the purpose of this assignment assume that
parental alleles are transmitted faithfully without any new mutations. Table 1. Genotyping and
Identification of skeletons at the ancient burial site.Table 1. Genotyping and Identification of
skeletons at the ancient burial site. A. Draw the pedigree of this family, according to the historical
records described above. Number the generations but identify all individuals by name rather than
number. B. The genotyping results for the last two skeletons have just arrived. Use the capillary
electrophoresis images shown below (Figures 13 ) to extract the genotypes and add them to the
table. C. Use the DNA profiles and pedigree structure to determine who is who. Identify each
skeleton by name in the table and provide a brief written rationale explaining how you arrived at
this conclusion. D. In addition to the adults, the burial site also contains a fetus that appears to
have been born at approximately 20 weeks gestation and did not survive. Due to the small amount
of DNA available in the fetus, only 3 microsatellite loci could be genotyped. The fetus's DNA profile
is provided below. Are you able to determine whether the parents were Kristoff and Anna; Sven
and Olenna; or Hanns and Talisa? Explain. E. Hanns famously lost his hand in the battle of
Clontarf. DNA from hand bones recovered at another burial site match Hanns's DNA profile, but
you want to determine how common this DNA profile might have been in ancient times. Estimated
allele frequencies for this population based on all recovered ancient DNA samples are provided
below in Table 2. According to this information, what is the expected frequency of Hanns's DNA
profile in this population? Is this result convincing that the hand belongs to Hanns? Please show
your work and provide your answer in the following format: l inFigure 1. Genotyping standards,
showing the possible alleles observed for the eight loci analyzed in this study. Alleles are indicated
by blue, green, black and red peaks, with the number of repeats noted below the peak for the
microsatellite loci. Grey bars behind the peaks mark expected allele sizes, while pink bars mark
the start/end of the expected allele range, and sites where a band size would be inconclusive.
Figure 2. Genotyping results for skeleton 7.Figure 3. Genotyping results for skeleton 8 . Table 2.
Allele frequency estimates for this population, based on

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3 You are working on a forensics research project examining.pdf

  • 1. 3. You are working on a forensics research project examining ancient remains recovered from a burial site in Norway, dating to 1000AD. You believe the skeletons may belong to the infamous King Kristoff and Queen Anna. Historical records state that this royal couple produced two children, Sven and Olenna, who then married each other in an attempt to strengthen the royal bloodline. They had a single son named Hanns, who went on to have one son named Wolf with his wife Talisa (otherwise unrelated to the family). Wolf never married or had children, but he spent his life with a male companion named Leif. The burial site contains 8 relatively well-preserved adult skeletons. You are able to extract enough DNA to successfully PCR seven microsatellite (STR) loci plus the amelogenin locus and want to determine whether the relationships of these skeletons match the legend of King Kristoff & Queen Anna. The table below includes data for the first six skeletons that have been analyzed. Answer the following questions and include a completed copy of Table 1 in your answers file. For the purpose of this assignment assume that parental alleles are transmitted faithfully without any new mutations. Table 1. Genotyping and Identification of skeletons at the ancient burial site.Table 1. Genotyping and Identification of skeletons at the ancient burial site. A. Draw the pedigree of this family, according to the historical records described above. Number the generations but identify all individuals by name rather than number. B. The genotyping results for the last two skeletons have just arrived. Use the capillary electrophoresis images shown below (Figures 13 ) to extract the genotypes and add them to the table. C. Use the DNA profiles and pedigree structure to determine who is who. Identify each skeleton by name in the table and provide a brief written rationale explaining how you arrived at this conclusion. D. In addition to the adults, the burial site also contains a fetus that appears to have been born at approximately 20 weeks gestation and did not survive. Due to the small amount of DNA available in the fetus, only 3 microsatellite loci could be genotyped. The fetus's DNA profile is provided below. Are you able to determine whether the parents were Kristoff and Anna; Sven and Olenna; or Hanns and Talisa? Explain. E. Hanns famously lost his hand in the battle of Clontarf. DNA from hand bones recovered at another burial site match Hanns's DNA profile, but you want to determine how common this DNA profile might have been in ancient times. Estimated allele frequencies for this population based on all recovered ancient DNA samples are provided below in Table 2. According to this information, what is the expected frequency of Hanns's DNA profile in this population? Is this result convincing that the hand belongs to Hanns? Please show your work and provide your answer in the following format: l inFigure 1. Genotyping standards, showing the possible alleles observed for the eight loci analyzed in this study. Alleles are indicated by blue, green, black and red peaks, with the number of repeats noted below the peak for the microsatellite loci. Grey bars behind the peaks mark expected allele sizes, while pink bars mark the start/end of the expected allele range, and sites where a band size would be inconclusive. Figure 2. Genotyping results for skeleton 7.Figure 3. Genotyping results for skeleton 8 . Table 2. Allele frequency estimates for this population, based on