Question

What is Bt-cotton. Explain in detail

Answer 1

Here Goes Ur Answer :-

❇Bt cotton is an insect-resistant transgenic crop designed to combat the bollworm.

❇Bt cotton was created by genetically altering the cotton genome to express a microbial protein from the bacterium Bacillus thuringiensis.

❇ In short, the transgene inserted into the plant's genome produces toxin crystals that the plant would not normally produce which, when ingested by a certain population of organisms, dissolves the gut lining, leading to the organism's death.

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Answer 2

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What is Bt-cotton ? Explain in detail .

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Bt cotton is an insect-resistant transgenic crop designed to combat the bollworm. Bt cotton was created by genetically altering the cotton genome to express a microbial protein from the bacterium Bacillus thuringiensis.

Explanation:

1. Bt cotton was created through the addition of genes encoding toxin crystals in the Cry group of endotoxin.
2. When insects attack and eat the cotton plant the Cry toxins or crystal protein are dissolved due to the high pH level of the insect's stomach.

1. Bt cotton has several advantages over non-Bt cotton. The important advantages of Bt cotton are briefly : Increases yield of cotton due to effective control of three types of bollworms, viz. American, Spotted and Pink bollworms.
2. Insects belonged to Lepidoptera (Bollworms) are sensitive to crystalline endotoxic protein produced by Bt gene which in turn protects cotton from bollworms.
3. Reduction in insecticide use in the cultivation of Bt cotton in which bollworms are major pests.
4. Potential reduction in the cost of cultivation (depending on seed cost versus insecticide costs).

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