Q. Which of the following statements is/are correct about genetic modifications in living organisms?
Select the correct answer using the code given below:
Q. Which of the following statements is/are correct about genetic modifications in living organisms?
Select the correct answer using the code given below:
The correct option is B 3 only
Explanation:
Statement 1 is incorrect: Genetic modifications can happen without a transgene getting introduced into the organism. Transgenic organisms have foreign DNA that has been introduced using biotechnological means. Foreign DNA (the transgene) is defined here as DNA from another species, or else recombinant DNA from the same species, manipulated in the laboratory then reintroduced.
Statement 2 is correct: Genetic modification happens quite naturally as well which has led to the creation of new traits and even species. For e.g. in nature DNA originated from Agrobacterium bacteria, a common plant pathogen already known for its ability to transfer segments of its genetic information, therefore it is also famously called a natural genetic engineer.
Statement 3 is incorrect: Although genetic engineering most of the time intends to create a better quality product in terms of superior variety, pest resistance, high yield, etc., it doesn’t always give the desired results. It also leads to negative outcomes at times for the environment which explains the hesitancy for its acceptance.
Explanation:
Statement 1 is incorrect: Genetic modifications can happen without a transgene getting introduced into the organism. Transgenic organisms have foreign DNA that has been introduced using biotechnological means. Foreign DNA (the transgene) is defined here as DNA from another species, or else recombinant DNA from the same species, manipulated in the laboratory then reintroduced.
Statement 2 is correct: Genetic modification happens quite naturally as well which has led to the creation of new traits and even species. For e.g. in nature DNA originated from Agrobacterium bacteria, a common plant pathogen already known for its ability to transfer segments of its genetic information, therefore it is also famously called a natural genetic engineer.
Statement 3 is incorrect: Although genetic engineering most of the time intends to create a better quality product in terms of superior variety, pest resistance, high yield, etc., it doesn’t always give the desired results. It also leads to negative outcomes at times for the environment which explains the hesitancy for its acceptance.
