Lecture 15

Question 1

Domestication Definition

Answer 1

wild-type animal incurs changes that ultimately benefits humans.

Question 2

Dmitry Belyaev’s Experimental Goals in Farm Fox

Answer 2

Domesticated mammals have same morphological and physiological changes as genotype changes phenotype (piebald coat color and star on face, wavy/curly hair, rolled/shorter tails, floppy ears, and potentially breeding changes).

Question 3

Experimental Outcomes Regarding Morphology-Physiology-Behavior

Answer 3

Domesticated foxes’ phenotype changed by gen 8-10 -floppier ears and shorter/rolled tails, coat color changes and star on forehead. Later had shorter legs and tails, overbites/underbites.