ipl-logo

Unit 3 Lab 3 Dna Extraction And Visualization

1241 Words5 Pages

Lab 3 – DNA extraction and visualization Journal -Madhu Thalari. 1.Describe the laboratory exercise as you interpreted it.? Ans: This lab has given me methods to extrct DNA from both plant cells and animal cells. The main steps that are followed in both methods made me understand the reasons behind them. In order to extract DNA we need break the barriers(cell wall and cellmembrane), remove water, protiens and other unwanted material, make sure that the chemical we used should not damage DNA that we need and add flouroscent material to visualize the DNA. Now I think I can extract …show more content…

It is vey important crime investigation feild where the criminal can traced out. It also plays a major role in the law of justice where people lie about their relation that they had with other people(father and son or mother and son). 5.Below are the images of the gels after electrophoresis. Indicate which lane is loaded with the samples from your group? Ans: Our group sample are in 8th and 9th lanes from left to right starting from ladder(not counting ladder). The 8th lane is loaded with hair follicle DNA sample and 9th lane is loaded with cauliflower DNA sample. 6.Describe the results, explain whether you obtained what you expect–why or why not? Ans: The 8th lane shows up nothing which means hair fllicle DNA sample doesn't have DNA in it. The 9th lane showed up bright light colour which means Cauliflower DNA sample has DNA in it, but both 8th and 9th lanes are expected to show bright

Show More
Related

  • Wrongful Conviction Examples

    1168 Words  | 5 Pages

    The STR length contrast is what is used to differentiate individuals. Gel electrophoresis then uses the STRs to create a DNA profile. The gel electrophoresis separates the STRs depending on their length and the pattern is then shown in fluorescent gel creating the profile. These profiles are then used by scientist to compare patterns between evidence and or suspects to determine a match or not a match.

    Read More

  • Adnan Syed: Innocent Or Guilty?

    1606 Words  | 7 Pages

    In this case they left other objects pthat could have been tested untested. Their could have been DNA, like hair or saliva, left on those objectives. The detectives didn’t know if the objects were 100% not going to have any DNA on it. There was no way for them to find, or understand this, unless they tested these objects. Nevertheless, this isn’t the only time that they had pushed away any possible evidence for DNA testing.

    Read More

  • Intercellular Gene Transfer Lab Report

    1100 Words  | 5 Pages

    Introduction A mutation is a heritable change that is passed from the mother cell to progeny cells. Mutations may lead to good, bad or neutral phenotypic changes in the organism. They may occur spontaneously as in random DNA replicative errors or may be induced by mutagenic chemicals or radiation. Besides mutations, another way that bacteria achieve gene diversity is through the three known mechanisms for intercellular gene transfer.

    Read More

  • Pt1420 Unit 2 Lab Report

    503 Words  | 3 Pages

    Discussion PV92 Gel Electrophoresis Results: Through the usage of gel electrophoresis the correct allele for each sample was able to be determined. Lanes one through three in the gel,were the positive control lanes they contained the PCR cocktail and a known high-quality template for the PCR reaction. First lane contained the sample with the +/+ allele, which had two copies of the ALU repeat allele. The first lane had a band at about 941 base pairs.

    Read More

  • Unit 3 Biology Lab 3

    677 Words  | 3 Pages

    Biology 15 Lab # 3 Professor Passerini September 23, 2015 Scot Albert Lab #3 Questions 1, 2a, 3, 4, 5, 6a, 7, and 8 Table 3.1 - all columns except the last one. -------------------------------------------------- 1- a-Upside down and backwards b- If you move it right, the image moves left If you move it left, the image moves right c -

    Read More

  • DNA Exoneration Case Study

    547 Words  | 3 Pages

    3. Was there a particular DNA testing, the type of DNA or procedure that was used more often than others in the

    Read More

  • The Pros And Cons Of Dna Profiling

    946 Words  | 4 Pages

    Today, arguments for and against the use of DNA have surfaced. DNA profiling is the technology that uses the individual’s DNA characteristics. Each human has his own DNA, comprising 99.9% of the same DNA but scientists have found the remnant 0.1% difference. One of its benefits is that scientists are using this crucial distinction to find criminals from bodily fluid samples, hair, skin and other parts of the body. (sciencemuseum, 2016) DNA also has another advantageous application; it is used to find biological family relationships.

    Read More

  • Albert Desalvo: An Organized Serial Killer

    1240 Words  | 5 Pages

    This DNA sample was tested to determine if the DNA left on Mary Sullivan was a match. This proved to not be a match. This shows some suspicion to the final verdict of the

    Read More

  • Informative Essay On Bigfoot

    432 Words  | 2 Pages

    Do you want to learn about the big, hairy, nine foot tall man eating beast in the woods also known as Bigfoot? If your answer is yes, boy do I have a paper for you. Bigfoot sightings and the stories that go along with them, are a hoax. Articles exist that say how easily people can make Bigfoot sightings.

    Read More

  • DNA In Forensic Science

    1116 Words  | 5 Pages

    DNA in Forensic Science DNA is the carrier of genetic information in humans and other living organisms. It has become a very useful tool in forensic science since it was discovered. In forensic science, DNA testing is used to compare the genetic structure of two individuals to establish whether there is a genetic relationship between them. One example of the use of DNA in forensic science that is important in biology today is comparing a suspect’s DNA profile to DNA that was discovered at a crime scene.

    Read More

  • Rlp Analysis Of Dna Fingerprinting

    1055 Words  | 5 Pages

    This is a sheet of special blotting paper. The DNA fragments keep the same pattern of separation that they had on the gel. The blot is incubated with multiple copies of a probe. The probe forms base pairs with the complementary the DNA sequence and binds to form a double stranded DNA molecule. This step is called hybridisation.

    Read More

  • Informative Essay I: DNA Testing

    1140 Words  | 5 Pages

    Research Essay I: DNA Testing “In criminal investigation, DNA evidence can be a game changer” (Elster, 2017). Chemist Friedrich Miescher recognized DNA in the 1860s, but in 1953 James Watson and Francis Crick identified more specific details, such as the three-dimensional double helix, that exist within one’s DNA (The History of DNA, 2019). When it comes to solving a crime, DNA evidence can be used to connect criminals with remarkable accuracy (Using DNA to solve crimes, 2017). The first time DNA was implemented in a criminal case was in 1986 (The History of DNA, 2019). Since then, DNA has been used to solve current criminal cases, as well as unsolved cold cases.

    Read More

  • Forensic Testing Essay

    1095 Words  | 5 Pages

    D Assessment DNA technology Forensic testing 24.11.2014 Marius Martinsen 10D Introduction: I have chosen to investigate Forensic testing, it is also known as DNA profiling or genetic fingerprinting. During this essay I will discuss what the disadvantages and what the advantages of forensic testing are. I will also talk about how forensic testing is carried out. Forensic testing is used to identify an individual by using the DNA sequences of that person.

    Read More

  • Importance Of Dna In Forensic Science

    1251 Words  | 6 Pages

    DNA in forensic science The majority of cells making up the human body are diploid cells carrying identical DNA, with the exception of haploid gametes and red blood cells. Several types of biological evidence such as blood and hair are commonly used in forensic science, which is the scientific study of evidence for crime scene investigations and other legal matters. Forensic science is used for the purpose of DNA analysis, this is the analysis of DNA samples to determine if it came from a particular individual. DNA analysis is done by obtaining DNA samples from an individual; next, a large sample of DNA is produced from amplified selected sequences from the DNA collected.

    Read More

  • Cell Viability Test Lab Report

    1000 Words  | 4 Pages

    It also better to ensure that the materials like hemocytometer and pipettes are sterilized and clean so that there would be lesser or no artifacts would be seen under the microscope. The researcher was to use trypan blue exclusion method to test for cell viability, observe the non-viable and viable cells, and was able to have a cell count using the

    Read More

More about Unit 3 Lab 3 Dna Extraction And Visualization

Open Document