Bio genetics lab 2 questions help



(inquiry 1 and 4 in omission dissect. )

* It would be fine if you can impede my acceptancees too.



Tube Illustration Lane

1 1 kb DNA ladder 1

2 Mother's DNA 2

3 Child's DNA 3

4 A.F. #1 DNA 4

5 A.F. #2 DNA 5




Record the length each ladder knot moved from the well-mannered-mannered in mm concurrently behind a while the extent of the DNA trash in that knot in bp units, established on the bp attached in tramp 19 , in your Lab Notes.


Lane 1:


1,000 bp 34 mm

900 bp 36 mm

800 bp 38 mm

700 bp 40 mm

600 bp 43 mm

500 bp 47 mm

400 bp 51 mm

300 bp 56 mm

250 bp 60 mm

200 bp 64 mm

150 bp 69 mm

100 bp 77 mm

50 bp 90 mm



Lane 2:


37 mm 850bp

59 mm 265bp



Lane 3:


37 mm 850bp

44 mm 575bp


Lane 4:


41 mm 670bp

43 mm 600bp


Lane 5:


44 mm 575bp


55 mm 320bp


Experiment: Agarose Gel Electrophoresis of DNA Fragments

Lab Results

  1. List the lengths rusticationed in mm for the knots in the DNA ladder in the board under.
    Remember, meaner trash rustication farther than longer ones, so the top-most knot earn be the 1,000 bp extentd DNA trash when-in-fact the bottom-most knot earn be the 50 bp extentd DNA trash.


    DNA Ladder
    BandDistance (mm)
    50 bp 90 mm
    100 bp 77 mm
    150 bp 69 mm
    200 bp 64 mm
    250 bp 60 mm
    300 bp 56 mm
    400 bp 51 mm
    500 bp 47 mm
    600 bp43 mm 
    700 bp40 mm 
    800 bp38 mm 
    900 bp36 mm 
    1,000 bp34 mm 


  2. Whose illustration had the approximately 570 bp and 320 bp extentd DNA trash?
  3. What were the extents of the DNA trash for alleged senior #1?

Data Analysis

  1. Which extent DNA bit did the branch possess from her woman?
  2. Which alleged senior, if any, can be definitively ruled out as the branch's biological senior?


  1. How are new molecules of DNA synthesized in assistance cells?
  2. What is the employment of DNA?


    DNA has genetic notification that regulates our cells. So, DNA is affect a blueprint that shows how to invent components of cells affect proteins and ribonucleic animated (RNA). This notification is carried down to newer generations through possessance.

  3. If each specific has such a mean equality of DNA in their cells, how do the knots on the gel inclose sufficient DNA to be palpable?
      In appoint to find DNA palpable. The Gel has to be soaked in a dye (ethidium bromide) to oblige behind a while the DNA and rinsed off behind. Ethidium bromide helps to find DNA palpable by intense brightly in UV rays.
  4. Humans merely enjoy a few eye colors and merely lewd ABO-established dignity symbols. How can DNA tests definitively identify specifics when sundry mass enjoy brown eyes or symbol A dignity?
  5. Suppose a mitigated hair was build in a victim’s settlement. A gel is set up behind a while the DNA trash of two reported criminals in lanes 4 and 5, the DNA trash of the mitigated hair in lane 3, and the victim’s DNA trash, as a disclaiming regulate, are in lane 2. A DNA ladder is in lane 1. The resulting gel is under. Which guess, if any, committed the felony? Explain your acceptance.

     Lane 4,5 (two reported criniminals)