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Ansc254:Animal Breeding Question Paper

Ansc254:Animal Breeding

Course:Agriculture

Institution: Kenya Methodist University question papers

Exam Year:2012

KENYA METHODIST UNIVERSITY

END OF 1''st ''TRIMESTER 2012 EXAMINATIONS
FACULTY : SCIENCE & TECHNOLOGY
DEPARTMENT : AGRICULTURE AND NATURAL RESOURCES
UNIT CODE : ANSC 254
UNIT TITLE : ANIMAL BREEDING
TIME : 2 HOURS

SECTION A. (Answer all the questions)

Question One

Briefly explain how meiosis and sexual reproduction contributed to animal diversity.

(4 Marks)

Comment on the process of animal breeding before and after discovery of Mendel’s work.

(6 Marks)

Question Two

Briefly comment on the negative and positive attributes of animal breeding.
(10 Marks)

Question Three

Briefly explain three types of gene action.

(6 Marks)

Giving examples differentiate between qualitative and quantitative traits.

(4 Marks)

SECTION B (Answer any two questions)

Question Four

Mention and explain four mating systems used in livestock breeding.

(12 Marks)

Giving examples, explain how the environment influences animal phenotype.

(8 Marks)

Question Five
Most of the local indigenous breeds of cattle are facing extinction though they have some positive attributes worthy preserving.

Mention some of their positive attributes and explain how they might have been acquired.

(10 Marks)

Mention and explain various breeding strategies that might be taken to correct the negative attributes of the indigenous cattle breeds.

(10 Marks)

Question Six

What is gene frequency?

(2 Marks)

Discuss the factors that change gene frequency.

(18 Marks)

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