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8. Should we use blind (unknown to the examiner) tests to evaluate the accuracy of a scientist? Please explain your answer.9. Assume you found your sibling's brother-in-law has had a sample submitted to the lab. This is a person you have never met, but that you know has been in trouble with the law. What do you do? 10. Case Study Two: Crime scene evidence suggests one unknown suspect raped and killed (gunshot to chest) the female victim. When the crime occurred 25 years ago, sperm cells were identified in the SAEC kit. No DNA profile was obtained. The case is re-submitted and the remaining vaginal swabs are packaged in a plastic screw-top tube. The swabs appear brown-green in color, but do have a weak AP reaction. The half-life of AP is 12 years, so you expect a weak reaction if you get any reaction. Current DNA efforts provide 3 alleles out of 15. CODIS requires 10 alleles for searching purposes, so you need more evidence. A. Is it reasonable to swab the interior of the tube in the area in which the swabs made contact? Explain. B. AP from pantyhose is negative, but random sperm searches of alternative light source positives reveal low levels of sperm cells. Knowing the victim was a prostitute; would any DNA profile from the pantyhose be entered into CODIS? Why? C. Is it a good idea to wait for newer technology to arrive and re-test your items at that time? Explain
Assume that the habitat is fairly uniform, how various nests would he expect to be in the entire 200-acre preserve.
Reach capabilities in the sagittal plane can be determined graphically using anthropometric data as shown in the figure on the given page.
A blue-eyed man marries a brown-eyed woman; and they have six children, all brown-eyed. What is the most likely genotype of the father?
This solution defines the cell interaction and signaling defects in.
The F1 are test-crossed to dwarf, peach fuzz, oblong plants, and 1000 test-cross progeny are produced. Estimate the phenotypes of test-cross progeny, and what number of progeny is expected in each class?
Also glucose technically doesn't have a carbonyl functional group then because it is broken when the ring structure is formed? Is it a random chance that either alpha or beta glucose is formed.
What are ten - twenty possible variables that may affect seed germination? Make a table for your data, including title, units, and any other useful information.
Why were the ratios the similar in the first part but different in Part 2.
compute the isoelectric point of a protein. It would also be helpful if you could declare any constants (i.e. pH=5) in advance of both problems.
According to ABC model of floral development, which genes would be expressed in a showy ornamental flower with multiple sepals and petals but no stamens or carpels.
This week's lab activities pertain to taxonomy and classification. For this week's discussion, I would like for you to try to recognize an example in your every day life or work life in which you utilize
As a laboratory assistant you were asked to determine the total number of bacteria in the urine of a person with a urinary tract disorder.
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