Title Text: An Introduction to Human Disease: Pathology and Pathophysiology Correlations Title Text: Seventh Edition, Leornard V. Crowley, M.D.
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Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.


1:  Chromosomes exist in pairs in all cells except _____ cells.
A: epithelial
B: nerve
C: somatic
D: billiary

2:  The genome is identical for every cell within an individual.
A: TRUE
B: FALSE

3:  The active X chromosome in females will differ randomly from cell to cell.
A: TRUE
B: FALSE

4:  Which type of cell does not divide?
A: liver
B: kidney
C: nerve
D: skin

5:  The phase of mitosis in which chromatids separate to form individual chromosomes is the:
A: prophase
B: metaphase
C: anaphase
D: telophase

6:  Major differences between spermatogenesis and oogenesis include:
A: spermatogenesis is continuous
B: spermatogenesis produces more useful cells from each precursor
C: the primary oocyte only contains forty chromosomes
D: A and B only
E: All of the Above

7:  It is virtually impossible to isolate chromosomes for analysis in a laboratory.
A: TRUE
B: FALSE

8:  A recessive gene can only be expressed through a hetrozygous pairing.
A: TRUE
B: FALSE

9:  In males, the mismatch of the X and Y chromosomes makes the cells ________ for genes on the X chromosome.
A: heterozygous
B: homozygous
C: hemizygous
D: helizygous

10:  HLA haplotypes combine in such a way that four separate pairings are possible for any combination of two parents.
A: TRUE
B: FALSE

11:  Diseases caused by a failure of mitochondrial DNA are:
A: always caused by environmental factors
B: very common
C: usually transmitted from the mother
D: A and B

12:  Gene therapy typically uses a virus to introduce desirable genetic material into the patient
A: TRUE
B: FALSE

13:  The practice of inserting genetic material into bacterium or yeast to synthesize desired pharmaceutical products is called:
A: recombinanat DNA technology
B: genetic engineering
C: gene splicing
D: All of the above

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