The core technique involving techniques to alter the chemistry of genetic material (DNA and RNA) and introduce them into host organisms is called _________.
Genetic engineering is defined as techniques to alter the chemistry of genetic material.
Question 12 of 535
📘 CLASS XII
The core technique involving maintenance of sterile ambience to enable growth of only the desired microbe in large quantities is called _________.
Bioprocess engineering involves the maintenance of sterile (microbial contamination-free) ambience.
Question 13 of 535
📘 CLASS XII
Sexual reproduction provides opportunities for _________ and formulation of unique combinations of genetic setup.
Sexual reproduction provides opportunities for variations and formulation of unique combinations of genetic setup.
Question 14 of 535
📘 CLASS XII
Traditional hybridisation procedures often lead to inclusion and multiplication of _________ genes along with the desired genes.
Traditional hybridization often leads to the inclusion and multiplication of undesirable genes.
Question 15 of 535
📘 CLASS XII
Genetic engineering techniques allow us to isolate and introduce only _________ or a set of desirable genes without introducing undesirable genes.
Genetic engineering allows the isolation and introduction of only one or a set of desirable genes.
Question 16 of 535
📘 CLASS XII
The specific DNA sequence in a chromosome responsible for initiating replication is called the _________.
The origin of replication is responsible for initiating replication of DNA.
Question 17 of 535
📘 CLASS XII
Linking an alien DNA piece with the origin of replication so that it can multiply itself in the host is also called _________.
Linking alien DNA with the origin of replication enables replication and multiplication, also called cloning or making multiple identical copies.
Question 18 of 535
📘 CLASS XII
The first recombinant DNA molecule was constructed by linking a gene for antibiotic resistance with a native plasmid of _________.
The construction used a native plasmid of *Salmonella typhimurium*.
Question 19 of 535
📘 CLASS XII
Stanley Cohen and Herbert Boyer accomplished the construction of the first artificial recombinant DNA molecule in _________.
Cohen and Boyer accomplished the construction of the first recombinant DNA in 1972.
Question 20 of 535
📘 CLASS XII
The capability of cutting DNA at specific locations became possible with the discovery of restriction enzymes, often referred to as ‘molecular _________’.
Restriction enzymes are known as ‘molecular scissors’.
