Pmt 446: Medical Genetics Question Paper

Pmt 446: Medical Genetics

Course:Bachelor Of Science In Medical Biotechnology

Institution: Maseno University question papers

Exam Year:2013

MASENO UNIVERSITY

UNIVERSITY EXAMINATIONS 201212013

FOURTH YEAR SECOND SEMESTER EXAMINATIONS

FOR THE DEGREE OF BACHELOR OF SCIENCE IN

MEDICAL BIOTECHNOLOGY WITH INFORMATION

TECHNOLOGY

(MAIN CAMPUS)

PMT 446: MEDICAL GENETICS

Date: April, 2013 Time: 2.30 — 4.30 p.m.

MASENO UNIVERSITY ISO 9001:2008 CERTIFIED

SECTION A (40 MARKS)

Answer ALL questions. Use illustrations wherever appropriate.

Q 1. Briefly describe reprogenetics and Pre-Implantation Genetic Diagnosis as processes in medical genetics. (10 mark)

Q 2. Describe the characteristics associated with multi factorial diseases. 10 marks)

Q 3. Describe in detail how chromosomal rearrangements Can lead to cancer. (10 marks)

Q 4. Describe the process of protein augmentation in treatment Of genetic defects.(10 marks)

SECTION B 130 MARKS)

Answer any TWO questions. Use illustrations where appropriate.

Q 5. Discuss the following phenomena using relevant examples (15 marks)

a) Autosomal recessive single-gene diseases

b) X-chromosome linked dominant single gene diseases

c) Y-chromosome linked dominant single gene diseases

Q 6. Using a relevant example, describe how whole-genome association studies can inform efforts to understand the molecular basis of disease. (15 marks)

Q 7. Describe the process of gene transfer as used in gene-based therapy.(15 marks)

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