Biology for IGCSE & O level - Variation And Selection (Section 7 - No. 7)

Which of the following are examples of traits that are a product of artificial selection?

The long necks of giraffes

The small size of a Chihuahua

Cows are bred for bigger milk production.

Dogs were bred to be docile and obedient

Giraffe long necks have natural selection. Dog breeds were bred by people for specific traits.