Question

what made dolly the sheep significant in world history?
she provided the material for the first chicken pox vaccine.
she was the first mammal clone.
she was the first mammal to have a fully mapped genome.
she helped synthesize the first anti - viral treatment after infection.

Explanation:

Dolly the sheep was cloned using somatic - cell nuclear transfer. She was the first mammal cloned from an adult somatic cell, marking a major scientific milestone in cloning technology.

Answer:

She was the first mammal clone.