Which of the following is/are the basic step(s) in genetically modifying an organism? 1. Identification of DNA with desirable genes 2. Introduction of the identified DNA into the host 3. Maintenance of introduced DNA in the host and transfer of the DNA to its progeny Select the correct answer using the code given below.
1, 2 and 3
To identify the correct steps involved in genetically modifying an organism, let's break down each part of the process:
- Identification of DNA with desirable genes: This step involves locating and isolating the DNA that contains the genes of interest, which are desirable for the modification. This gene identification is critical, as it determines the traits we want to introduce into the host organism.
- Introduction of the identified DNA into the host: Once the desired gene is identified, the next step is to introduce this gene into the host organism. This can be achieved using various methods such as transformation, transduction, or conjugation in bacteria, or using techniques like microinjection, liposomes, or electroporation in higher organisms.
- Maintenance of introduced DNA in the host and transfer of the DNA to its progeny: After introduction, it is essential to ensure that the new DNA is maintained in the host organism and can be passed on to the next generation, ensuring the trait is inherited by offspring, which is fundamental for genetically modified organisms.
All these steps - Identification, Introduction, and Maintenance - are critical in the process of genetic modification. Therefore, the correct answer to the question is all options are necessary basic steps:
Correct Answer: 1, 2, and 3
Thus, the answer, option 1, 2, and 3, includes all the essential steps of genetically modifying an organism, covering the processes from gene identification to its sustainable incorporation in the host and its progeny.
Similar Questions
Which one of the following statements about natural selection is not correct?
Consider the following statements about genetic engineering :
1. The technique of genetic engineering involves creation of recombinant DNA, use of gene cloning and gene transfer.
2. Restriction enzymes cut DNA at specific locations.
3. Restriction enzymes split the entire double-stranded DNA into two strands.
Which of the statements given above is/are correct?
Consider the following stages of insulin production procedure through gene technology :
1. Isolation of insulin coding gene from humans
2. Inserting the insulin coding gene into a plasmid vector
3. Inserting the recombinant plasmid vector into the bacterium (E. coli)
Which of the following is a correct sequence of the above?
Important Questions from Genetics and Evolution
Different varieties of the same gene are called
In a sexually reproducing organism, which one of the following statements is appropriate both for the parent and offspring?
In most prokaryotes, the chromosome number is:
Bacterial DNA is referred to as naked because it is not associated with:
The two important features of sexual reproduction in higher organisms that create genetic diversity in offspring are
