Pmt 310: Principles Of Genetics Question Paper
Pmt 310: Principles Of Genetics
Course:Bachelor Of Science In Medical Biotechnology
Institution: Maseno University question papers
Exam Year:2013
MASENO UNIVERSITY
UNIVERSITY EXAMINATIONS 2013/2014
THIRD YEAR FIRST SEMESTER EXAMINATION FOR
THE DEGREE OF BACHELOR OF SCIENCE IN
MEDICAL BIOTECHNOLOGY , MEDICAL LABORATORY SCIENCES
WITH INFORMATION TECHNOLOGY
(MAIN CAMPUS-SPECIAL EXAMS)
PMT 310: PRINCIPLES OF GENETICS
Date: 31st July,2013 Time: 2.00-4.00pm
MASENO UNIVERSITY ISO 9001:2008 CERTIFIED
SECTION A: ANSWER ALL QUESTIONS
1.Describe how PCR can be used to assay variations in a population (10 marks)
2.Define the following terms as used in genetics: a)Allele b)Homozygosity c)Heterozygosity d)Population
e)Allele frequency (10 marks)
3.Describe three(3) main methods that can be applied to determine allele frequency in a population
(10 marks)
4.Describe the 5 concepts derived from Mendel's principles (10 marks)
SECTION B: ANSWER ANY TWO QUESTIONS.( 15 MARKS EACH.)
5.Using relevant examples , describe in details how population gene/allele frequencies would be altered under the following conditions:
a)Selection against homozygosity
b)Selection against heterozygosity
6.a)Define Hardy Weinberg Principle
b)Describe the 7 conditions that a population must undergo in order to be in conformity with Herdy Weinberg Principle.
7.Using relevant examples, discuss in details Pleitropy(Genes with more than one effect) as a deviation to Mendel's principle.
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