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Ansc553:Animal Breeding Question Paper

Ansc553:Animal Breeding 

Course:Master In Agricultural&Rural Development

Institution: Kenya Methodist University question papers

Exam Year:2013



KENYA METHODIST UNIVERSITY

FACULTY OF SCIENCE AND TECHNOLOGY

DEPARTMENT OF AGRICULTURE

END OF SEMESTER EXAMINATION FOR MASTER OF SCIENCE IN AGRICULTURAL & RURAL DEVELOPMENT, APRIL, 2013
UNIT TITLE : ANIMAL BREEDING
UNIT CODE : ANSC 553


TIME: 3 HOURS

INSTRUCTIONS

Answer all questions in section A and three questions in Section B.

SECTION A

Question One

Differentiate between the following terms;

(9 marks)

Additive genetic effects and epistosis
Transgenesis and cloning
Pedigree selection and progeny selection

Compare and contrast marker assisted selection (MAS) with Mendelian selection.

(6 marks)

Question Two

Briefly explain three common mating systems used in breeding.

(6 Marks)

What are the negative and positive attributes of inbreeding?

(4 Marks)

What is heritability and how is it used in breeding.

(5 Marks)

SECTION B

Question Three
Breeding has had both negative and positive consequences. Explain. (15 Marks)

Question Four
Indigenous chicken in Kenya are largely unimproved. Outline a breeding programme that may be used to improve certain traits in these chicken. (15 marks)

Question Five
Variation is the basis of selection in livestock. Giving examples explain the various causes of variation in a population. (15 Marks)






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