Intro to genetics

Question 1

Genetics

Answer 1

Study of heridity and variation

(directly affects animal breeding and our understanding of it)

Question 2

Animal breeding

Answer 2

Application of animal genetics with the goal of improving a species

Question 3

Natural selection

Answer 3

1) Strength
2) Size
3) Intelligence
4) Color
5) Defenses
6) Flexibility
7) Longevity

Question 4

Robert Bakewell (1725-1795)

Answer 4

Father of animal breeding
Set goals for his work
Purebreeding concept - “in and in” mating system
Developed early bull progeny test

Question 5

Self-Domestication

Answer 5

Breed development
1) Selection for tameness
2) Limit breeding
3) Intentional breeding
4) Trait standardization
5) Eliminate wild genes

Question 6

Human Domestication

Answer 6

Breed development
1) Control herd movement
2) Eliminate “problems”
3) Selection for tameness
4) Limit breeding
5) Intentional breeding
6) Trait standardization
7) Eliminate wild genes

Question 7

Genetic Selection Effects

Answer 7

Changed for higher production - Dairy, Swine, Sheep, chickens (a bit for turkey)

Little/no change - Beef and Equine

Change for other purposes - Dog (attempting with cats)