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DNA fingerprinting
 

DNA fingerprinting

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hope it'll help u guys

hope it'll help u guys

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    DNA fingerprinting DNA fingerprinting Presentation Transcript

    • I who have discovered the DNA fingerprinting. My nameDo Alecknow who I am? is you Jeffreys.....
    •  DNA fingerprinting is a procedure used to analyse a person’s unique collection of DNA fragments. Ex: Dna from tissue of hair,saliva,blood or semen found at the scene can be compared to those of a suspect.
    • DNA fingerprinting is more accurate than fingerprintingin the identification of individuals.DNA fingerprinting is more useful forensic tool thanblood types because many people belong to the same bloodtypeIt provides more information on a criminal’s identity as itis more specific.Very small quantities of DNA are required to carry out ahighly accurate test. Example : small amounts of driedblood or semen are sufficient to identify the owner.DNA sample last much longer than fingerprints. DNAsamples that are very old (up to 25 million years) can still beused.To test compatibility of potential organ donors withpatientsDNA evidence is much harder to clean up at a crimescene than evidence such as fingerprints
    • In agriculture DNA fingerprinting is used to know if aseed is really from the variety being claimed.Detect genetically modified organisms in agriculture.Useful in herbal origin authentication, and for thevarious claims of medical uses related to some of theseplants.Identify and breed thoroughbred horses
    • Proses bermula dengan sel Serpihan tersebut telah darah atau sampel dari dipisahkan mengikut saiz mana ia diekstrak dan oleh electrophorasis kemudian dipecahkan melalui gel agarosa. kepada serpihan. Setiap gel terdiri daripada salinan banyak serpihan DNA tertentu.Ia tidak kelihatan tetapi ia DNA band dipindahkan ke boleh dilihat melalui membran nilon. pewarnaan. Lebihan bahan dibuang meninggalkan jalur DNA probe DNA bergabung dengan DNA corak yang unik yang spesifik pada membran nilon melalui probe DNA radioaktif. Corak DNA radioaktif dipindahkan ke filem x-ray dengan pendedahan langsung.Corak kelihatan paduan adalah CAP JARI DNA.
    •  Seen as an infringement of civil liberties especially when DNA profiles are stored from people who have nothing to do with a particular criminal offence. Concerns that the finding of trace amounts of DNA can falsely implicate a person in a criminal investigation. Concerns that the complexity of testing and data storage means errors could occur. DNA profiles could be related to certain illnesses and charcter traits and this information would be used by insurance companies and other organisations to the disadvantage of the individual. There is also 1 in 50 billion chance of two DNA sequence being similar.
    • THANKS FOR WATCHING GRACIAS 감사 谢谢 TERIMA KASIH ΕΥΧΑΡΙΣΤΟΥΜΕ Salamat sa iyo