Download App

Biotechnology and its Applications — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYBiotechnology and its Applications3 Marks
Question
Explain three basic steps to be followed during genetic modification of an organism.
✓

Answer

  1. Identification of DNA with desirable genes, so that the genetically modified organism has largely desirable genes.
  2. Introduction of the DNA with desirable genes, into the host using vector
  3. Maintenance of introduced DNA in the host, and transfer of the DNA to its progeny through cloning.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "3 Marks Question" from Biotechnology and its Applications→Biotechnology and its Applications — all question types→BIOLOGY STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A number of passengers were severely burnt beyond recognition during a train accident. Name and describe a modern technique that can help hand over the dead to their relatives.

OR

Following the collision of two trains a large number of passengers are killed. A majority of them are beyond recognition. Authorities want to hand over the dead to their relatives. Name a modern scientific method and write the procedure that would help in the identification of kinship.

→
Secondary treatment of the sewage is also called Biological treatment. Justify this statement and explain the process.
→
What is parturition? Which hormones are involved in induction of parturition?
→
Mention the importance of LH surge during menstrual cycle.
→
  1.  

  1. What does central dogma state in molecular biology? How does it differ in some viruses?

→
Answer the following questions:
Why is geitonogamy also referred to as genetical autogamy?
→
How did an American Company, Eli Lilly use the knowledge of rDNA technology to produce human insulin?

Or

How did Eli Lilly synthesise the human insulin? Mention one difference between this insulin and the one produced by the human pancreas.

Or

How did Eli Lilly Company go about preparing the human insulin? How is the insulin thus produced different from that produced by the functional human insulin gene?

→
Explain the pattern of inheritance of haemophilia in humans. Why is the possibility of a human female becoming a haemophilic extremely rare? Explain.
→
What is vector? Which cloning vector was discovered first?
→
How are the structural genes activated in the lac operon in E. coli?
→