Which of the following is not a genetically modified organism (GMO) ?

Options

A. Golden rice
B. Rosie
C. Dogie
D. Dolly

Explanation

To determine which of the following is not a genetically modified organism (GMO), we need to analyze each option provided:

1. **Golden Rice**: This is a genetically modified crop that has been engineered to produce beta-carotene, a precursor of vitamin A. Therefore, Golden Rice is a GMO.

2. **Rosy the Cow**: Rosy is known as the first transgenic cow, which means it has been genetically modified to produce human proteins in its milk. Thus, Rosy is also a GMO.

3. **Dolly the Sheep**: Dolly is famous for being the first cloned mammal. Cloning involves creating a genetically identical copy of an organism, but it does not involve altering the genetic material in the way that genetic modification does. Therefore, Dolly is not considered a GMO.

4. **Transgenic Dog**: This refers to a dog that has had its genetic material altered for specific traits. Hence, a transgenic dog is also a GMO.

Based on this analysis, the organism that is not a genetically modified organism is **Dolly the Sheep**.

**Final Answer**: Dolly the Sheep is not a genetically modified organism (GMO).

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