Domestication and Genetics

Question 1

define domestication

Answer 1

Animals who adapted to be close to humans and their reproduction controlled by humans

Question 2

what things are necessary for domestication?

Answer 2

diet
growth rate
reproduce easily in captivity
disposition/temperament
social structure

Question 3

what changed first in domestication?

Answer 3

1. early decrease in size then increase (mammals)
2. early increase in size (birds)
3. decreased flight distance from people
4. coat and plumage color changes
5. retention of neotenic characters
6. decrease in cranial capacity
7. increased genetic variability
8. increased rate of increase in variability

Question 4

General timeline/process of domestication to industrial breed

Answer 4

domestication -> landrace or primitive breed -> standard breed -> industrial breeds

genetic variability decreases

Question 5

who drives the process of domestication?

Answer 5

HUMANS