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The exapmles of transgenic plants are al...

The exapmles of transgenic plants are all, except:

A

Bt tobacco

B

Golden rice was designed to produce ` beta ` - carotence in the endospen part

C

Brassica napus with hirudin gene

D

Pentadiplandra brazzeana

Text Solution

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The correct Answer is:
To determine which of the given options is not a transgenic plant, we first need to understand what a transgenic plant is. A transgenic plant is one that has been genetically modified to contain a gene or genes from another species, which is typically done through genetic engineering techniques. 1. **Identify the options**: We have four options to consider: - A) Bt-tobacco - B) Golden rice - C) Brassica napus with Herodin gene - D) Penta Diplendra Braziana 2. **Analyze each option**: - **Option A: Bt-tobacco**: This plant has been genetically modified to include a gene from Bacillus thuringiensis, which provides resistance to certain pests. Therefore, it is a transgenic plant. - **Option B: Golden rice**: This rice variety has been engineered to produce beta-carotene, a precursor of vitamin A, in its endosperm. This modification makes it a transgenic plant. - **Option C: Brassica napus with Herodin gene**: This plant has been genetically modified to include the Herodin gene, making it a transgenic plant as well. - **Option D: Penta Diplendra Braziana**: This plant has not been genetically modified or had any foreign genes introduced into its genome. Thus, it is not a transgenic plant. 3. **Conclusion**: After analyzing all the options, the only plant that is not a transgenic plant is **Penta Diplendra Braziana**. Therefore, the correct answer is option D. ### Final Answer: **D) Penta Diplendra Braziana**
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