13 Jun SC435 Unit 4 Assignment – Compare and contrast mitosis and meiosis
Question
Unit 4 Assignment – 75 points
1. Compare and contrast mitosis and meiosis (include at least 3 comparisons and 3 differences).
2. A woman who is a carrier for cystic fibrosis has children with a man that has cystic fibrosis.
a. What are the parental genotypes?
b. What F1 phenotypic and genotypic ratios are produced from this cross? (Show your Punnett Square)
c. Diagram the F2 results. (Show your Punnett Square).
3. R codes for red flower color and r codes for white flower color.
a. What color would Rr be if R has complete dominance?
b. What color would Rr be if R and r are codominant?
c. What color would Rr be if R has incomplete dominance?
4. Red-green colorblindness is an X-linkedrecessive mutation. A colorblind female has children with a normal male.
a. What are the parental genotypes? (Hint: the sex of the parent is important)
b. What F1 phenotypic and genotypic ratios are produced from this cross? (Show your Punnett Square)
5. In a dihybrid cross between RrTt and RRtt, what are the genotype and phenotype ratios of the offspring, assuming R and T are dominant? R codes for round seed, while r codes for wrinkled seed. T codes for tall height, while t codes for short height. (Show your Punnett Square). Hint: Do the Punnett Square for each trait separately and then combine them using the branch diagram as shown in Figure 3.11
6. The pedigree below traces the inheritance of alkaptonuria, a biochemical disorder. Affected individuals, indicated here by the filled-in circles and squares, are unable to break down a substance called alkapton, which colors the urine and stains body tissues.
.gif” alt=”Pedigree1.gif”>
a. Does alkaptonuria appear to be caused by a dominant or recessive allele? Explain.
b. What is George’s phenotype?
c. Is it possible for Daniel to have a child with alkaptonuria? Explain.
d. How would knowing the pattern of inheritance influence the treatment plan for this disease?
7. Mary has type A blood and her husband (John) has type B blood. John’s parents both had type AB. Mary and John havethree children, one with type A, one with type AB, and one with type B. Relatives suspect that one of the children was adopted.
a. What are Mary and John’s blood genotypes?
b. Which child was adopted? Explain your answer.
Our website has a team of professional writers who can help you write any of your homework. They will write your papers from scratch. We also have a team of editors just to make sure all papers are of HIGH QUALITY & PLAGIARISM FREE. To make an Order you only need to click Ask A Question and we will direct you to our Order Page at WriteDemy. Then fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Fill in all the assignment paper details that are required in the order form with the standard information being the page count, deadline, academic level and type of paper. It is advisable to have this information at hand so that you can quickly fill in the necessary information needed in the form for the essay writer to be immediately assigned to your writing project. Make payment for the custom essay order to enable us to assign a suitable writer to your order. Payments are made through Paypal on a secured billing page. Finally, sit back and relax.
About Writedemy
We are a professional paper writing website. If you have searched a question and bumped into our website just know you are in the right place to get help in your coursework. We offer HIGH QUALITY & PLAGIARISM FREE Papers.
How It Works
To make an Order you only need to click on “Order Now” and we will direct you to our Order Page. Fill Our Order Form with all your assignment instructions. Select your deadline and pay for your paper. You will get it few hours before your set deadline.
Are there Discounts?
All new clients are eligible for 20% off in their first Order. Our payment method is safe and secure.