The first successfully cloned mammal (animal) that gained worldwide publicity was

Options

A. Molly (a sheep)
B. Polly (a sheep)
C. Chance (a bull)
D. Dolly (a sheep)

Answer

**Step-by-Step Solution:**

1. **Understanding Cloning**: Cloning refers to the process of creating a genetically identical copy of a cell or organism. This is important as it sets the foundation for identifying the first cloned mammal.

2. **Identifying the Cloned Mammal**: The question specifically asks for the first successfully cloned mammal that gained worldwide publicity.

3. **Historical Context**: The first mammal to be successfully cloned was a sheep named Dolly. This event took place in 1996 and received significant media attention, marking a milestone in biotechnology.

4. **Cloning Technique**: Dolly was cloned using a technique known as somatic cell nuclear transfer (SCNT). In this process, the nucleus of a somatic cell (in this case, taken from the mammary gland of the sheep) is transferred into an egg cell from which the nucleus has been removed.

5. **Conclusion**: Based on the information gathered, the correct answer to the question is option D, Dolly, the sheep.

**Final Answer**: The first successfully cloned mammal that gained worldwide publicity was Dolly, a sheep.

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