Human Heredity: Principles and Issues (MindTap Course List)
Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Chapter 3, Problem 24QP

Meiosis Explains Mendel’s Results: Genes Are on Chromosomes

The following diagram shows a hypothetical diploid cell. The recessive allele for albinism is represented by a, and d represents the recessive allele for deafness. The normal alleles for these conditions are represented by A and D, respectively.

  1. a. According to the principle of segregation, what is segregating in this cell?
  2. b. According to Mendel’s principle of independent assortment, what is independently assorting in this cell?
  3. c. How many chromatids are in this cell?
  4. d. Write the genotype of the individual from whom this cell was taken.

Chapter 3, Problem 24QP, Meiosis Explains Mendels Results: Genes Are on Chromosomes The following diagram shows a

  1. e. What is the phenotype of this individual?
  2. f.        What stage of cell division is represented by this cell (prophase, metaphase, anaphase, or telophase of meiosis I, meiosis II, or mitosis)?
  3. g. After meiosis is complete, how many chromatids and chromosomes will be present in one of the four progeny cells?
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a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent.  b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved
If you wanted to reduce the difference between peak and trough levels that occur with repeated administration of a drug, how would you adjust the dose and dose interval without changing the plateau concentration (plateau is the average of peak and trough levels)? Select your answers for both dose and interval. Hint: It may be helpful to think about this problem using an example such as food. How would you eat if you wanted to maintain very steady hunger/satiety levels without changing your total caloric intake? Options: A. Dose; Increase dose     B. Dose; Decrease dose     C. Dose; Do not change dose     D. Interval; Increase the interval between doses (give the drug less frequently)    E. Interval; Decrease the interval between doses (give the drug more frequently)     F. Interval; Do not change the interval
What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent. Show the math

Chapter 3 Solutions

Human Heredity: Principles and Issues (MindTap Course List)

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