Get premium membership and access revision papers, questions with answers as well as video lessons.

Cell Biology And Genetics Question Paper

Cell Biology And Genetics

Course:Bachelor Of Education

Institution: Kenyatta University question papers

Exam Year:2009

KENYATTA UNIVERSITY
UNIVERSITY EXAMINATIONS 2009/2010
FIRST SEMESTER EXAMINATION FOR THE DEGREE OF BACHELOR OF
SCIENCE AND BACHELOR OF EDUCATION

SBT 300:
CELL BIOLOGY AND GENETICS

=================================================================
DATE: THURSDAY 24TH DECEMBER 2009 TIME: 8.00 A.M. – 10.00 A.M.

INSTRUCTIONS
Answer ALL Questions in Section A in the spaces provided in the Question paper,
and ONE question in Section B in the Answer Book provided.

SECTION A: SHORT ANSWER QUESTIONS (5 marks each, Total 40 marks)

1.
List evidence that DNA is the primary genetic material.
2.
Distinguish penetrance from expressivity using the human polydactyly trait as a specific example.
3.
Explain why people with blood type AB and O are considered universal receivers and donors and yet their blood groups contain antigens and antibodies A and B respectively, antigens and antibodies that cause agglutination when they mix.
4.
List in order and distinguish various mitosis cell division stage.
5.
Determine using a branching diagram gametes expected from a genotype AaBbCcDd
6.
Giving examples explain the following terms:
a)
Test cross
b)
Selfing
c)
Pure or tube breeding
7.
What are maternal effects?
8.
What problems may arise if a Rhesus negative woman marries a Rhesus positive man to have children?

SECTION B: Essay Questions (30 marks)
Write an essay of one of the following;
1.
Sex determining mechanisms
2.
Particulate theory of inheritance proposed by Gregor Mendel.
3.
Using ABO blood groups to resolve paternity disputes.

Cell Biology And Genetics Question Paper

More Question Papers

Popular Exams