3) You have identified an interesting mutant in gene P. Using a Punnett square, demonstrate the cross you perform to determine if it is a dominant or recessive mutation compared to the WT gene P allele. Write the expected ratios for either scenario.  4) You have determined the mutation is dominant when compared to the WT allele. Briefly describe a technique you could use to determine if expression levels of gene P have been altered in this mutant.  5) You have determined the expression level of gene P has increased. What class/type of mutation would cause this?

11). This pedigree illustrates a family in which some members have a completely penetrant disease caused by a dominant mutation. This mutation is linked at a distance of 10 map units from a SNP marker with three different alleles (1, 2 and 3). The SNP alleles found in each family member are indicated below each pedigree symbol. It is not yet evident whether the very young individuals labeled A and B will develop the disease. a. What is the probability that individual A will develop the disease? b. What is the probability that individual B will develop the disease? 1,3 2,2 1,2 3,2 O 1,2 3,2 A B

You have two mutants of pQE. 1-CRYGD. One is 66 ng/uL and the other is 337 ng/uL. You need to add 1 ng to your competent  NEB Express Iq cells.  A. Can you accurately pipet the plasmid for each? Why or why not? B. How could you dilute the plasmid to obtain 50 uL of 0.5 ng/uL? C.How much of the new 0.5 ng/uL sample would you need to pipette for 1 ng

Three mutations were obtained in a bacterial gene. An antibody is available for the protein product of this gene. Both Northern analysis (RNA separated by electrophoresis, blotted, and probed with DNA) and Western analysis (proteins separated by electrophoresis, blotted, and probed with antibodies) were performed on the mutants. The results are summarized below. Northern Size Western Size 1 2 3 1 2 3 + Long Short Short Long For each mutation, what kind of mutation occurred and how do you know? a) Mutant 1 b) Mutant 2 c) Mutant 3

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Cystic fibrosis can arise from a rare, short, in-frame deletion within the CFTR gene, whichcreates a recessive, disease-causing allele. Using this information, describe a PCRexperiment that could be undertaken to determine whether a healthy individual is acarrier of the cvstic-fibrosis mutation.

If you wanted to analyze the size and abundance of the HOAP protein in an extract from a Drosophila animal that you think may be mutant for the HOAP gene, what method could you use to target your analysis specifically to the HOAP protein in that extract?

A pair of paralogous repeats, A and B, have 96% sequence similarity and therefore can promote non-allelic homologous recombination (NAHR). They exist in four possible arrangements in a genome, illustrated below as arrangements 1 – 4. What is the result of NAHR between repeats A and B in arrangement 1? A.Translocation between chromosomes 1 and 2 resulting in monocentric chromosomes B.Deletion or duplication of the region between A and B C.Translocation between chromosomes 1 and 2 resulting in acentric and dicentric chromosomes D.Inversion of the region between A and B

A small-scale pedigree study involving 15 families with a total of 50 children was performed to determine whether a SNP in a candidate gene is linked to a disease. The result showed that among 22 children who developed the disease, 19 belonged to non-recombinants while 3 recombinants. For the remaining 28 children, 21 were non-recombinants and 7 belonged to recombinants. A Lod (Z) score can be calculated and used to determine whether this SNP is linked to the disease. By using a very stringent threshold, which of the following conclusions is correct? O A.Z is approximately 4.03, indicating a linkage O B. Z=0.25, indicating no linkage OCZ=0.2, indicating no linkage O D.Z is approximately 4.19, indicating a linkage