Multiple choice

Dolly was the first cloned sheep. It was cloned by

  1. Ian Wilmut

  2. Joshua Lederberg

  3. Norton Zinder

  4. Esther Lederberg

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A Correct answer
Explanation

Dolly was the first mammal & a female domestic sheep, which was cloned from an adult somatic cell, through the process of nuclear transfer. Its clonning was done by Ian Wilmut.