CBSE 2024 · Region 5 · Set 1 · Q24 · 3 marks
(a)What are transgenic animals ?(b)Name the transgenic animal having the largest number amongst all the existing transgenic animals.(c)State any $\displaystyle 3$ reasons for which these types of animals are being produced.
(a)
What are transgenic animals ?
(b)
Name the transgenic animal having the largest number amongst all the existing transgenic animals.
(c)
State any $\displaystyle 3$ reasons for which these types of animals are being produced.
Marking-scheme solution
(a)
Animals that have had their DNA manipulated to possess and express an extra or foreign gene or desirable foreign gene.
(b)
Mice
(c)
₋
To study the effect of gene on normal physiology and development.
₋
To study how gene contribute the development of disease
₋
To obtain useful biological products
₋
To use in testing the safety of vaccines
₋
For chemical safety testing / used for testing toxicity of drugs.
Biotechnology and its ApplicationsTransgenic AnimalsRemembershort_answermedium
More from Biotechnology and its Applications
- There are two different farm lands, one where Bt-cotton crop was cultivated and the other where non Bt-cotton…2022 · asked 3×
- (i) What are transgenic animals? (ii) Name the first transgenic cow and state its importance. OR (i) Explain…2024 · asked 3×
- Cloning of genes, play a very significant role in genetic engineering, helping the transfer of desirable…2022 · asked 3×
- Pomato was produced by fusing protoplasts of2026 · asked 3×
- One of the major approaches of crop improvement programme is Artificial Hybridisation. Explain the steps…2023 · asked 3×
- Development of recombinant DNA technology has opened gates to many breakthroughs in the fields of medicine…2022 · asked 3×
- Given below is the stepwise schematic representation of the process of electrophoresis. Identify the…2022 · asked 3×
- Write the scientific name of the nematode that infests the tobacco plants and the part that it infests. How…2023 · asked 3×
CBSE Class 12 Biology past-paper question from the 2024board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.