Complete and submit assignment 2. Keep a copy in case of any problems with submission.
This assignment is worth 20% of the course grade and will be marked out of 20 points.
1. An organism has a haploid number of 5. At the end of meiosis metaphase I how many chromatids will be visible? Explain (2 points)
2. What characteristics of the garden pea made it a very good model system for Mendel to use in his studies? (2 points)
3. Explain in your own words how mRNA, rRNA and tRNA are synthesized. (4 points)
4. The F2 generation of a cross between a parental tall and a parental short pea plant is 298 tall plants and 102 short plants. What do these results say about the genes for stem height in the pea plant? Explain your answer. (2 points)
5. Outline three key differences between RNA and DNA. (3 points)
6. Using the widow’s peak and freckles genes in humans, starting with true-breeding parents show a Punnett square to explain the 9:3:3:1 phenotypic results in the F2 generation. (3 points)
7. Explain in your own words how protein synthesis occurs. (4 points)