Question
Write the functions of:
- cry IAc gene.
- RNA interference (RNAI).
✓
Answer
- cry IAC codes for toxic insecticidal protein as inactive protoxins in Bacillus thuringinesis. This toxin may kill the cotton bollworm.
- RNA interference is associated with silencing of specific mRNA and is a method of cellular defence in eukaryotes.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The map distance in certain organisms between gene A and B is 4 units, B and C is 2 units and between C and D is 8 units which one of these gene pairs will show more recombination frequency? Give reasons in support of your answer.
Explain why using tobacco in any form is injurious to health.
Explain briefly how the principle of natural selection can be applied to the development of resistance in mosquitoes for DDT.
Discuss with your teacher and find out how to distinguish between:
RNA and DNA
RNA and DNA
In order to obtain the F1 generation, Mendel pollinated a true–breeding, say, tall plant with a true–breeding dwarf plant. But for getting the F2 generation, he simply self-pollinated the tall F1 plants. Why?
Mention the kind of biodiversity of more than a thousand varieties of mangoes in India represent. How is it possible?
Gene flow occurs through generations and can occur across language barriers in humans. If we have a technique of measuring specific allele frequencies in different population of the world, can we not predict human migratory patterns in pre-history and history? Do you agree or disagree? Provide explanation to your answer.
The total number of genes in humans is far less (< 25,000) than the previous estimate (upto 1,40,000 gene). Comment.
What are saprotrophs? How do they obtain their nutrition?
Refer the graph and answer the questions that follow.
- The graph depicts which type of natural selection?
- Explain the other two effects/ types of natural selection.