Typically during the process of in vitro fertilization, several eggs are fertilized. If two of these eggs were allowed to develop in the mother, then what kind of twins would result? O None of these answers will fit O Conjoined O Dizygotic O Monozygotic
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- Write the number of each variation for the remaining STR loci to create a DNA profile of this person: STR Locus Variation number(s) D3S1358 14, 15 THO1 D21S11 D18S51 Penta EA ssDNA solution is diluted by taking 3uL of a stock solution, which is made up to 60uL withwater. From this stock, 10uL is taken and diluted to 100uL with water. The solution is then madeup to 3mL. The A260 was 0.012. Calculate the concentration of DNA in the original stock inug/mLOn the assumption that the two profiles arise from twogenetically related individuals, law enforcement agenciespursue relatives of the person whose profile is stored in theDNA database. Testing in these cases is known as familialDNA testing. Should such searches be considered scientificallyvalid or even ethical?
- You have a 2.5 ng/uL DNA stock. What volume will give you 1.15 mg?Biology You are analyzing a qPCR experiment and obtain the following results. The slope of the gDNA standard curve is -4 and the R2 = .999 for the linear fit of the line. From this slope, should you trust the quantities you get for your unknown samples? Why or why not. Show any relevant calculation(s) to support your answerI have a 1.270 ug/uL dna stock, how would you dilute this to 50ng/nL in a single dilution step? show the exact process including the volume of water. Indicate if you would use p20,p200,p1000 for each reagant added. you can choose a total volume but cannot be less than 3 uL or exceed 1000uL. Thank you!!
- A 100ml dsDNA solution prepared via 1:20 dilution was taken for spectrometry analysis. The A260 and A320 values obtained were 0.4210 and 0.1210 respectively. The total DNA yield of the solution in micrograms would be 40000 300 30000 400I asked this question before but the solution was not correct and I'm really trying to figure out how to do this to get the correct answer. Please show work!DNA typing is used to compare evidence DNA (E) left at a crime scene to two suspects(S1 and S2). Suspect 1 is excluded by the evidence, but suspect 2 remains included. What isthe frequency of suspect 2's genotype if the allelic frequencies in the population are f(A1) =0.1, f(A2) = 0.2, and f(A3) = 0.7, and the population is at Hardy–Weinberg equilibrium?The answer is 0.49.You dilute 5 microliters into 995 microliters of water and find the OD260 is 0.56. What is the concentration of your DNA sample? 1. 1400 ug/ml 2. 5600 ug/ml 3. 1.4 ug/ml 4. 5.6 ug/ml
- Results obtained from a Nano Spec. DNA samples collected: ng/uL A260/A80 A260/A230 E.coli genomic DNA 45.3 1.68 0.84 pEMBL1.9 26.0 1.80 1.09 pBluescript 82.1 1.90 1.89 What does this results tell us about the purity of the DNA samples? What are possible contaminations that may have occured?This image shows DNA (gray) interacting with a computergenerated model of a TAL protein (multicolored), one of afamily of proteins found only in a species of the bacteriumXanthomonas. The bacterium uses proteins like this one to findspecific gene sequences in cells of the organisms it infects, suchas tomatoes, rice, and citrus fruits. Given what you know aboutDNA structure and considering the image above, discuss howthe TAL protein’s structure suggests that it functions99.9% of our DNA is the same across all humans worldwide. True or false?