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National Open University Exam Past Question – ANP310 JUNE/JULY EXAMINATION

NATIONAL OPEN UNIVERSITY OF NIGERIA ANP310 Genetics and Breeding

14/16 AHMADU BELLO WAY, VICTORIA ISLAND, LAGOS

SCHOOL OF SCIENCE AND TECHNOLOGY JUNE/JULY EXAMINATION

 

COURSE CODE:    ANP310

COURSE TITLE:   Genetics and Breeding (2 Units) TIME ALLOWED: 2HOURS

INSTRUCTION:   ANSWER ANY FOUR (4) QUESTIONS (25Marks each)

 

1a. What is cell and state cell theory

1b. Draw a labelled diagram of plant cell

1c. What are the cell membrane properties?

 

 

2a. Write a short note on

  1. I. Cell wall
  2. II. Endoplasmic reticulum

III. Lysosomes

2b. What are the chemical components of the cell?

2c. Briefly, discuss Water as chemical component of cell wall.

 

 

3a. Describe the structure of DNA.

3b. Write a short note on types of RNA found in cells.

3c. What cell division?

 

 

4a. Define the three basic laws of inheritance

4b. How will you apply MENDELIAN genetic to animal improvement?

 

 

5a. explain the following terms and give an example of each term.

5b. Define Mutation and state the type of mutation

 

 

6a. Describe the different methods used in breeding self-pollinated plants?

6b. What is selection in animal breeding and the differences between random and non random production?

6c. State the system of breeding in animal and why should inbreed be encourage in

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animal breeding?

 

 

7a. What is Artificial Insemination and steps involve in Artificial Insemination?

7b.  State five (5) benefits of Artificial Insemination.

7c. List four factors that is militating against the effective use of Artificial

Insemination in   Nigeria.

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