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- Unpacking Problem 491. What do a “gene for tassel length” and a “gene for rustresistance” mean?2. Does it matter that the precise meaning of the allelicsymbols T, t, R, and r is not given? Why or why not?3. How do the terms gene and allele, as used here, relate tothe concepts of locus and gene pair?4. What prior experimental evidence would give the corngeneticist the idea that the two genes are on separatechromosomes?5. What do you imagine “routine crosses” are to a cornbreeder?6. What term is used to describe genotypes of the typeT/t ; R/r?7. What is a “pollen parent”?8. What are testcrosses, and why do geneticists find themso useful?9. What progeny types and frequencies might the breederhave been expecting from the testcross?10. Describe how the observed progeny differ fromexpectations.11. What does the approximate equality of the first twoprogeny classes tell you?12. What does the approximate equality of the second twoprogeny classes tell you?13. What were the gametes from the…Problem 4 One of the main functions of the brain is dealing with somatic reflexes ____True ____FalseProblem 52 Correctly label the following movements.
- Problem 1: We plan to keep an insect at a steady 65 F. We know that our insect has a developmental threshold of 55 F and requires 200 degree days to reach pupation. In how many days should we expect to see pupae? [Hint: calculate the degree days per day at 65 F. Divide 200 degree days by the degree days per day to calculate number of days.]Problem 1: For your new year's resolution, you resolve to lose 5lbs of body fat through physical exercise. If you work out hard, you can generate 200 W of mechanical power and be 20% efficient at it. How long will you have to exercise at this rate to burn the desired amount of fat? If you chose to diet instead and cut your food intake of 2400 kcal/day to 1600 kcal/day, how long will it take you to lose the desired amount of weight?PROBLEM 3. How might prolonged treatment with antibiotics results in the sideeffect of impaired blood clotting? .
- Problems 14 and 15: some of the exponents are unclear. Here they are: 14. Calculate vi and the degree of inhibition caused by a competitive inhibitor under the following conditions:(a) [S]=2x10-3 Mand[I]=2x10-3 M(b) [S]=4x10-4 Mand[I]=2x10-3 M (c) [S]=7.5x10-3 Mand[I]=10-5 MAssume that Km = 2 x 10-3 M, Ki = 1.5 x 10-4 M and Vmax = 270 nmoles x liter-1 x min-1.The degree of inhibition is the percent of the uninhibited velocity reached in the presence of the inhibitor. 15. (a) What concentration of competitive inhibitor is required to yield 75% inhibition at a substrate concentration of 1.5 x 10-3 M if Km =2.9x10-4 M and Ki =2x10-5 M? (b)Towhatconcentration must the substrate be increased to reestablish the velocity at theoriginal uninhibited value?Required: Write four problems/ pains for which a solution is needed. Problem could be general or related to any industry. For example obesity problem.problem21
- 35. Stem cells in the intestinal epithelium are required for maintaining ahomoestaticrate of tissue production to maintain a healthy tissue turner. True Falseresearch question... does limiting screen time reduce the risk of childhood obesity for school-aged children compared with modifying their diet and exercise regime?Assignment Objectives: When given a family’s genetic history, deduce the genotypes for specific family members. •Describe the inheritance and expression of various genetic disorders found in humans. •Determine how genetic screening and counseling can be used to help counsel individuals dealing with lethal genetic disorders in their family. Read through each scenario and answer the following questions: a. Determine the genotypes of all individuals discussed in each scenario in addition to yours, your partners’, and your unborn child. For example, “You remember your partner telling you that their father died at an early age of Huntington’s disease.” In this case you would need to determine your partner’s father’s genotype. b. Determine what probability your unborn child will inherit the disorder (be sure to include a Punnett square)? i. If you are unable to determine your child’s chance of inheriting the disorder what additional information do you require? c. Are you worried about…