What is biotechnology ? List some ways that DNA technology is used today (provid

Question

What is biotechnology ? List some ways that DNA technology is used today (provide at least 3 applications) What are restriction enzymes? Name and briefly describe the steps of a PCR cycle Mrs. Smith has a baby named Jessica. She believes one of two men is the father of her child. A paternity test is done and the results are shown above. Who is baby Jessic's father and why? Lt. Russ is investigating a murder scene. The felon was scratched by his victim & some of his skin cells were found under the victim's fingernails. A DNA test was performed as well as subsequent analyses. Which of the suspects is the murderer and why?

Explanation / Answer

dna technology applications

1 Medicine example , Treatment for certain tumor cells (Tumor necrosis factor. )

2 Agriculture - improvements in crop

3 vaccine formation

RESTRICTION ENZYME cuts DNA at restriction sites. these are specific recognition nucleotide sequences!

pcr involves these 3 steps

! denaturation of dna

annealing of primers

extension by polymerase

question 5

dad 2 is his father

because from the figure, mother and father 2 dogetherly make daughters dna fingerprinting diagram

question 6

s2 is the murderer because s2 matches with the sample

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