How does body colour confer an advantage to the moth Biston betularia?

1. Provided evidence that DNA is the genetic material.
2. Distinguish “generalized” from “specialised” transduction.
3. Vestigial winged, purple eyed Drosophila flies were mated with the wild type. The resultant F1 progeny were test crossed and the following progenies obtained.
Red eye, normal wings 290
Purple eye, vestigial wings 282
Red eye, vestigial wings 38
Purple eye, normal wings 32
Use a diagram to represent the cross upto the test cross and deduce the distance between the two genes.
4. In a genetics class of 50 students, 35% were found unable to taste PTC. Assuming 2 alleles T and t, calculate genotype and allelic frequencies.
5. Explain the dark DNA repair mechanism.
6. What is mRNA processing? Explain briefly and give an example.

7. How does body colour confer an advantage to the moth Biston betularia?
8. Explain uniparental inheritance of CO2 sensitivity in Drosophila.
9. How are the following used in genetic engineering?
a. Plasmids
b. Restriction endonucleases
10. Outline the mode of regulation of the lac operon

 

 

 

 

 

 

 

Why Choose CustomEssayMasters.com?

♦ 24/7 customer support

♦ On-time delivery guarantee

♦ Plagiarism-free research papers

♦ Affordable and student-friendly prices

♦ Scholarly-rich custom-written papers

♦ 100% privacy and confidentiality

 

Unlike most other websites we deliver what we promise;

  • Our Support Staff are online 24/7
  • Our Writers are available 24/7
  • Most Urgent order is delivered with 6 Hrs
  • 100% Original Assignment Plagiarism report can be sent to you upon request.

GET 15 % DISCOUNT TODAY use the discount code PAPER15 at the order form.

Type of paper Academic level Subject area
Number of pages Paper urgency Cost per page:
 Total: