Dog Domestication and Genetic Adaptations

What part of a dog's embryo is responsible for forming its coat, face structure, and adrenal glands?

• Spinal cord

• Neural crest

• Brain stem

• Optic nerve

What physical change in early dogs is thought to have made them less aggressive during domestication?

• Larger brains

• Smaller adrenal glands

• Stronger jaws

• Floppy ears

What unexpected genetic ability did dogs develop that helped them adapt to human settlements?

• Better night vision

• Stronger sense of smell

• Ability to digest starch

• Increased speed

Why does it take modern dogs longer to finish a bone compared to wolves?

• Dogs prefer softer foods.

• Dogs have smaller jaws and a less powerful bite.

• Dogs are less interested in bone marrow.

• Wolves have more teeth.